1012212112131 has 48 divisors (see below), whose sum is σ = 1599859628640. Its totient is φ = 611594880000.

The previous prime is 1012212112069. The next prime is 1012212112139. The reversal of 1012212112131 is 1312112122101.

It is a happy number.

1012212112131 is a `hidden beast` number, since 101 + 221 + 211 + 2 + 131 = 666.

1012212112131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1012212112131 - 2¹¹ = 1012212110083 is a prime.

It is a super-2 number, since 2×1012212112131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012212112139) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84989605 + ... + 85001513.

It is an arithmetic number, because the mean of its divisors is an integer number (33330408930).

Almost surely, 2^{1012212112131} is an apocalyptic number.

1012212112131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1012212112131 is a deficient number, since it is larger than the sum of its proper divisors (587647516509).

1012212112131 is a wasteful number, since it uses less digits than its factorization.

1012212112131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14468 (or 14465 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1012212112131 its reverse (1312112122101), we get a palindrome (2324324234232).

The spelling of 1012212112131 in words is "one trillion, twelve billion, two hundred twelve million, one hundred twelve thousand, one hundred thirty-one".