122616642620 has 48 divisors (see below), whose sum is σ = 268246188000. Its totient is φ = 47039354880.

The previous prime is 122616642571. The next prime is 122616642637. The reversal of 122616642620 is 26246616221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1218845 + ... + 1315604.

It is an arithmetic number, because the mean of its divisors is an integer number (5588462250).

Almost surely, 2^122616642620 is an apocalyptic number.

122616642620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122616642620 is an abundant number, since it is smaller than the sum of its proper divisors (145629545380).

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

122616642620 is a wasteful number, since it uses less digits than its factorization.

122616642620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534558 (or 2534556 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 122616642620 in words is "one hundred twenty-two billion, six hundred sixteen million, six hundred forty-two thousand, six hundred twenty".