122010021120 has 144 divisors (see below), whose sum is σ = 419644253952. Its totient is φ = 30033223680.

The previous prime is 122010021109. The next prime is 122010021127. The reversal of 122010021120 is 21120010221.

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

It is a junction number, because it is equal to n+sod(n) for n = 122010021096 and 122010021105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122010021127) 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, 1172136 + ... + 1271975.

It is an arithmetic number, because the mean of its divisors is an integer number (2914196208).

Almost surely, 2^122010021120 is an apocalyptic number.

122010021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122010021120 is an abundant number, since it is smaller than the sum of its proper divisors (297634232832).

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

122010021120 is a wasteful number, since it uses less digits than its factorization.

122010021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444148 (or 2444134 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122010021120 its reverse (21120010221), we get a palindrome (143130031341).

The spelling of 122010021120 in words is "one hundred twenty-two billion, ten million, twenty-one thousand, one hundred twenty".