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120420342212 = 22191584478187
BaseRepresentation
bin111000000100110011…
…1001001100111000100
3102111211022010012121112
41300021213021213010
53433110101422322
6131153105504152
711462062006622
oct1601147114704
9374738105545
10120420342212
1147085164485
121b408642058
13b4812cba81
145b850c4512
1531ebd365e2
hex1c099c99c4

120420342212 has 12 divisors (see below), whose sum is σ = 221826946320. Its totient is φ = 57041214696.

The previous prime is 120420342179. The next prime is 120420342241. The reversal of 120420342212 is 212243024021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792239018 + ... + 792239169.

It is an arithmetic number, because the mean of its divisors is an integer number (18485578860).

Almost surely, 2120420342212 is an apocalyptic number.

It is an amenable number.

120420342212 is a deficient number, since it is larger than the sum of its proper divisors (101406604108).

120420342212 is a wasteful number, since it uses less digits than its factorization.

120420342212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584478210 (or 1584478208 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 120420342212 its reverse (212243024021), we get a palindrome (332663366233).

The spelling of 120420342212 in words is "one hundred twenty billion, four hundred twenty million, three hundred forty-two thousand, two hundred twelve".

Divisors: 1 2 4 19 38 76 1584478187 3168956374 6337912748 30105085553 60210171106 120420342212