1012120012210 has 16 divisors (see below), whose sum is σ = 1840597632216. Its totient is φ = 400674313728.

The previous prime is 1012120012193. The next prime is 1012120012247. The reversal of 1012120012210 is 122100212101.

It can be written as a sum of positive squares in 4 ways, for example, as 777498934081 + 234621078129 = 881759^2 + 484377^2 .

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, 521710377 + ... + 521712316.

Almost surely, 2^{1012120012210} is an apocalyptic number.

1012120012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012120012210 is a deficient number, since it is larger than the sum of its proper divisors (828477620006).

1012120012210 is a wasteful number, since it uses less digits than its factorization.

1012120012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043422797.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1012120012210 its reverse (122100212101), we get a palindrome (1134220224311).

The spelling of 1012120012210 in words is "one trillion, twelve billion, one hundred twenty million, twelve thousand, two hundred ten".