1012211012312 has 16 divisors (see below), whose sum is σ = 1942032756840. Its totient is φ = 494335610496.

The previous prime is 1012211012303. The next prime is 1012211012347. The reversal of 1012211012312 is 2132101122101.

It is a happy number.

It is a super-2 number, since 2×1012211012312² (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 3 ways as a sum of consecutive naturals, for example, 1471236593 + ... + 1471237280.

Almost surely, 2^{1012211012312} is an apocalyptic number.

It is an amenable number.

1012211012312 is a deficient number, since it is larger than the sum of its proper divisors (929821744528).

1012211012312 is a wasteful number, since it uses less digits than its factorization.

1012211012312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942473922 (or 2942473918 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1012211012312 its reverse (2132101122101), we get a palindrome (3144312134413).

The spelling of 1012211012312 in words is "one trillion, twelve billion, two hundred eleven million, twelve thousand, three hundred twelve".