122130021031000 has 64 divisors (see below), whose sum is σ = 286815961954080. Its totient is φ = 48675647260800.

The previous prime is 122130021030977. The next prime is 122130021031001. The reversal of 122130021031000 is 130120031221.

It is a super-2 number, since 2×122130021031000² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122130021031001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220174302 + ... + 220728301.

Almost surely, 2^{122130021031000} is an apocalyptic number.

122130021031000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122130021031000 is an abundant number, since it is smaller than the sum of its proper divisors (164685940923080).

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

122130021031000 is a wasteful number, since it uses less digits than its factorization.

122130021031000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440902901 (or 440902887 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 122130021031000 its reverse (130120031221), we get a palindrome (122260141062221).

The spelling of 122130021031000 in words is "one hundred twenty-two trillion, one hundred thirty billion, twenty-one million, thirty-one thousand".