122140306652 has 72 divisors (see below), whose sum is σ = 273050007552. Its totient is φ = 46760500800.

The previous prime is 122140306627. The next prime is 122140306697. The reversal of 122140306652 is 256603041221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269624 + ... + 563007.

It is an arithmetic number, because the mean of its divisors is an integer number (3792361216).

Almost surely, 2^122140306652 is an apocalyptic number.

It is an amenable number.

122140306652 is an abundant number, since it is smaller than the sum of its proper divisors (150909700900).

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

122140306652 is a wasteful number, since it uses less digits than its factorization.

122140306652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832699 (or 832684 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 122140306652 its reverse (256603041221), we get a palindrome (378743347873).

The spelling of 122140306652 in words is "one hundred twenty-two billion, one hundred forty million, three hundred six thousand, six hundred fifty-two".