1012112212210 has 64 divisors (see below), whose sum is σ = 2012951347200. Its totient is φ = 363314577600.

The previous prime is 1012112212187. The next prime is 1012112212213. The reversal of 1012112212210 is 122122112101.

It is a super-2 number, since 2×1012112212210² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012112212213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87858831 + ... + 87870349.

It is an arithmetic number, because the mean of its divisors is an integer number (31452364800).

Almost surely, 2^{1012112212210} is an apocalyptic number.

1012112212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012112212210 is a deficient number, since it is larger than the sum of its proper divisors (1000839134990).

1012112212210 is a wasteful number, since it uses less digits than its factorization.

1012112212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21727.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1012112212210 its reverse (122122112101), we get a palindrome (1134234324311).

The spelling of 1012112212210 in words is "one trillion, twelve billion, one hundred twelve million, two hundred twelve thousand, two hundred ten".