1210102212112 has 20 divisors (see below), whose sum is σ = 2351969175276. Its totient is φ = 603142424960.

The previous prime is 1210102212097. The next prime is 1210102212169. The reversal of 1210102212112 is 2112122010121.

It can be written as a sum of positive squares in 2 ways, for example, as 197832806656 + 1012269405456 = 444784^2 + 1006116^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 119287339 + ... + 119297482.

Almost surely, 2^{1210102212112} is an apocalyptic number.

It is an amenable number.

1210102212112 is a deficient number, since it is larger than the sum of its proper divisors (1141866963164).

1210102212112 is a wasteful number, since it uses less digits than its factorization.

1210102212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238585146 (or 238585140 counting only the distinct ones).

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

Adding to 1210102212112 its reverse (2112122010121), we get a palindrome (3322224222233).

The spelling of 1210102212112 in words is "one trillion, two hundred ten billion, one hundred two million, two hundred twelve thousand, one hundred twelve".