122122001002 has 4 divisors (see below), whose sum is σ = 183183001506. Its totient is φ = 61061000500.

The previous prime is 122122000961. The next prime is 122122001039. The reversal of 122122001002 is 200100221221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 122121592681 + 408321 = 349459^2 + 639^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30530500249 + ... + 30530500252.

Almost surely, 2^122122001002 is an apocalyptic number.

122122001002 is a deficient number, since it is larger than the sum of its proper divisors (61061000504).

122122001002 is an equidigital number, since it uses as much as digits as its factorization.

122122001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61061000503.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122122001002 its reverse (200100221221), we get a palindrome (322222222223).

The spelling of 122122001002 in words is "one hundred twenty-two billion, one hundred twenty-two million, one thousand, two".