1212210202112 has 80 divisors (see below), whose sum is σ = 2980988183712. Its totient is φ = 479555665920.

The previous prime is 1212210202087. The next prime is 1212210202127. The reversal of 1212210202112 is 2112020122121.

It is a congruent number.

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, 12962189 + ... + 13055372.

Almost surely, 2^{1212210202112} is an apocalyptic number.

It is an amenable number.

1212210202112 is an abundant number, since it is smaller than the sum of its proper divisors (1768777981600).

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

1212210202112 is an equidigital number, since it uses as much as digits as its factorization.

1212210202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26017599 (or 26017583 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1212210202112 its reverse (2112020122121), we get a palindrome (3324230324233).

The spelling of 1212210202112 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred two thousand, one hundred twelve".