122012011021220 has 24 divisors (see below), whose sum is σ = 256424931088704. Its totient is φ = 48766764800096.

The previous prime is 122012011021213. The next prime is 122012011021247. The reversal of 122012011021220 is 22120110210221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2377449224 + ... + 2377500543.

It is an arithmetic number, because the mean of its divisors is an integer number (10684372128696).

Almost surely, 2^{122012011021220} is an apocalyptic number.

122012011021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122012011021220 is an abundant number, since it is smaller than the sum of its proper divisors (134412920067484).

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

122012011021220 is a wasteful number, since it uses less digits than its factorization.

122012011021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4754951059 (or 4754951057 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122012011021220 its reverse (22120110210221), we get a palindrome (144132121231441).

The spelling of 122012011021220 in words is "one hundred twenty-two trillion, twelve billion, eleven million, twenty-one thousand, two hundred twenty".