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122000011208 = 2315250001401
BaseRepresentation
bin111000110011111000…
…1000110111111001000
3102122220101112201002122
41301213301012333020
53444324000324313
6132013535350412
711546162661605
oct1614761067710
9378811481078
10122000011208
114781590a149
121b789682408
13b67366685a
145c94c056ac
15329086b708
hex1c67c46fc8

122000011208 has 8 divisors (see below), whose sum is σ = 228750021030. Its totient is φ = 61000005600.

The previous prime is 122000011183. The next prime is 122000011219. The reversal of 122000011208 is 802110000221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 97870116964 + 24129894244 = 312842^2 + 155338^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7625000693 + ... + 7625000708.

Almost surely, 2122000011208 is an apocalyptic number.

It is an amenable number.

122000011208 is a deficient number, since it is larger than the sum of its proper divisors (106750009822).

122000011208 is a wasteful number, since it uses less digits than its factorization.

122000011208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15250001407 (or 15250001403 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122000011208 its sum of digits (17), we get a square (122000011225 = 3492852).

Adding to 122000011208 its reverse (802110000221), we get a palindrome (924110011429).

The spelling of 122000011208 in words is "one hundred twenty-two billion, eleven thousand, two hundred eight".

Divisors: 1 2 4 8 15250001401 30500002802 61000005604 122000011208