101012111111212 has 48 divisors (see below), whose sum is σ = 202544488016640. Its totient is φ = 43179562101312.

The previous prime is 101012111111179. The next prime is 101012111111221. The reversal of 101012111111212 is 212111111210101.

It is a super-2 number, since 2×101012111111212² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13997739 + ... + 19948957.

It is an arithmetic number, because the mean of its divisors is an integer number (4219676833680).

Almost surely, 2^{101012111111212} is an apocalyptic number.

It is an amenable number.

101012111111212 is an abundant number, since it is smaller than the sum of its proper divisors (101532376905428).

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

101012111111212 is a wasteful number, since it uses less digits than its factorization.

101012111111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5952790 (or 5952788 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 101012111111212 its reverse (212111111210101), we get a palindrome (313123222321313).

The spelling of 101012111111212 in words is "one hundred one trillion, twelve billion, one hundred eleven million, one hundred eleven thousand, two hundred twelve".