1220112122010 has 32 divisors (see below), whose sum is σ = 2928303410112. Its totient is φ = 325359419520.

The previous prime is 1220112122003. The next prime is 1220112122069. The reversal of 1220112122010 is 102212110221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3157465 + ... + 3522755.

It is an arithmetic number, because the mean of its divisors is an integer number (91509481566).

Almost surely, 2^{1220112122010} is an apocalyptic number.

1220112122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220112122010 is an abundant number, since it is smaller than the sum of its proper divisors (1708191288102).

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

1220112122010 is a wasteful number, since it uses less digits than its factorization.

1220112122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476638.

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

Adding to 1220112122010 its reverse (102212110221), we get a palindrome (1322324232231).

It can be divided in two parts, 122011 and 2122010, that added together give a triangular number (2244021 = T₂₁₁₈).

The spelling of 1220112122010 in words is "one trillion, two hundred twenty billion, one hundred twelve million, one hundred twenty-two thousand, ten".