122120031000 has 128 divisors (see below), whose sum is σ = 415652290560. Its totient is φ = 29604848000.

The previous prime is 122120030971. The next prime is 122120031067. The reversal of 122120031000 is 130021221.

It is a super-2 number, since 2×122120031000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1817304 + ... + 1883303.

It is an arithmetic number, because the mean of its divisors is an integer number (3247283520).

Almost surely, 2^122120031000 is an apocalyptic number.

122120031000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122120031000 is an abundant number, since it is smaller than the sum of its proper divisors (293532259560).

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

122120031000 is a wasteful number, since it uses less digits than its factorization.

122120031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700642 (or 3700628 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 122120031000 its reverse (130021221), we get a palindrome (122250052221).

The spelling of 122120031000 in words is "one hundred twenty-two billion, one hundred twenty million, thirty-one thousand".