122028158700 has 108 divisors (see below), whose sum is σ = 437132004400. Its totient is φ = 27892149120.

The previous prime is 122028158671. The next prime is 122028158729. The reversal of 122028158700 is 7851820221.

It is an interprime number because it is at equal distance from previous prime (122028158671) and next prime (122028158729).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9678475 + ... + 9691074.

Almost surely, 2^122028158700 is an apocalyptic number.

122028158700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122028158700 is an abundant number, since it is smaller than the sum of its proper divisors (315103845700).

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

122028158700 is a wasteful number, since it uses less digits than its factorization.

122028158700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19369576 (or 19369566 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

Adding to 122028158700 its reverse (7851820221), we get a palindrome (129879978921).

The spelling of 122028158700 in words is "one hundred twenty-two billion, twenty-eight million, one hundred fifty-eight thousand, seven hundred".