1220010122112 has 32 divisors (see below), whose sum is σ = 3240651887880. Its totient is φ = 406670040576.

The previous prime is 1220010122087. The next prime is 1220010122129. The reversal of 1220010122112 is 2112210100221.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 1220010122091 and 1220010122100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1588554463 + ... + 1588555230.

Almost surely, 2^{1220010122112} is an apocalyptic number.

1220010122112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220010122112 is an abundant number, since it is smaller than the sum of its proper divisors (2020641765768).

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

1220010122112 is an equidigital number, since it uses as much as digits as its factorization.

1220010122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177109710 (or 3177109698 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1220010122112 its reverse (2112210100221), we get a palindrome (3332220222333).

The spelling of 1220010122112 in words is "one trillion, two hundred twenty billion, ten million, one hundred twenty-two thousand, one hundred twelve".