1213000202112 has 32 divisors (see below), whose sum is σ = 3222031787880. Its totient is φ = 404333400576.

The previous prime is 1213000202107. The next prime is 1213000202177. The reversal of 1213000202112 is 2112020003121.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 1213000202091 and 1213000202100.

It is a congruent number.

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, 1579426963 + ... + 1579427730.

Almost surely, 2^{1213000202112} is an apocalyptic number.

1213000202112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1213000202112 is an abundant number, since it is smaller than the sum of its proper divisors (2009031585768).

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

1213000202112 is an equidigital number, since it uses as much as digits as its factorization.

1213000202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158854710 (or 3158854698 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1213000202112 its reverse (2112020003121), we get a palindrome (3325020205233).

The spelling of 1213000202112 in words is "one trillion, two hundred thirteen billion, two hundred two thousand, one hundred twelve".