101112331212 has 48 divisors (see below), whose sum is σ = 267720606720. Its totient is φ = 32987000016.

The previous prime is 101112331189. The next prime is 101112331241. The reversal of 101112331212 is 212133211101.

101112331212 is a `hidden beast` number, since 10 + 1 + 112 + 331 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9954768 + ... + 9964919.

It is an arithmetic number, because the mean of its divisors is an integer number (5577512640).

Almost surely, 2^101112331212 is an apocalyptic number.

101112331212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101112331212 is an abundant number, since it is smaller than the sum of its proper divisors (166608275508).

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

101112331212 is a wasteful number, since it uses less digits than its factorization.

101112331212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19919747 (or 19919739 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 101112331212 its reverse (212133211101), we get a palindrome (313245542313).

The spelling of 101112331212 in words is "one hundred one billion, one hundred twelve million, three hundred thirty-one thousand, two hundred twelve".