122162435220 has 48 divisors (see below), whose sum is σ = 390919794048. Its totient is φ = 27922842240.

The previous prime is 122162435173. The next prime is 122162435237. The reversal of 122162435220 is 22534261221.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 145431051 + ... + 145431890.

It is an arithmetic number, because the mean of its divisors is an integer number (8144162376).

Almost surely, 2^122162435220 is an apocalyptic number.

122162435220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122162435220 is an abundant number, since it is smaller than the sum of its proper divisors (268757358828).

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

122162435220 is a wasteful number, since it uses less digits than its factorization.

122162435220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290862960 (or 290862958 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 122162435220 its reverse (22534261221), we get a palindrome (144696696441).

The spelling of 122162435220 in words is "one hundred twenty-two billion, one hundred sixty-two million, four hundred thirty-five thousand, two hundred twenty".