122155152308 has 18 divisors (see below), whose sum is σ = 248672989026. Its totient is φ = 52352208048.

The previous prime is 122155152307. The next prime is 122155152403. The reversal of 122155152308 is 803251551221.

It can be written as a sum of positive squares in only one way, i.e., 122127883024 + 27269284 = 349468^2 + 5222^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122155152307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 311620091 + ... + 311620482.

It is an arithmetic number, because the mean of its divisors is an integer number (13815166057).

Almost surely, 2^122155152308 is an apocalyptic number.

It is an amenable number.

122155152308 is an abundant number, since it is smaller than the sum of its proper divisors (126517836718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122155152308 is a wasteful number, since it uses less digits than its factorization.

122155152308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623240591 (or 623240582 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 35.

The spelling of 122155152308 in words is "one hundred twenty-two billion, one hundred fifty-five million, one hundred fifty-two thousand, three hundred eight".