1012132113212 has 24 divisors (see below), whose sum is σ = 1938425572272. Its totient is φ = 458590204800.

The previous prime is 1012132113197. The next prime is 1012132113221. The reversal of 1012132113212 is 2123112312101.

It is a super-2 number, since 2×1012132113212² (a number of 25 digits) contains 22 as substring.

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, 36732239 + ... + 36759782.

It is an arithmetic number, because the mean of its divisors is an integer number (80767732178).

Almost surely, 2^{1012132113212} is an apocalyptic number.

It is an amenable number.

1012132113212 is a deficient number, since it is larger than the sum of its proper divisors (926293459060).

1012132113212 is a wasteful number, since it uses less digits than its factorization.

1012132113212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73492349 (or 73492347 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1012132113212 its reverse (2123112312101), we get a palindrome (3135244425313).

The spelling of 1012132113212 in words is "one trillion, twelve billion, one hundred thirty-two million, one hundred thirteen thousand, two hundred twelve".