101212122112 has 22 divisors (see below), whose sum is σ = 202325406308. Its totient is φ = 50606060544.

The previous prime is 101212122103. The next prime is 101212122139. The reversal of 101212122112 is 211221212101.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49418958 + ... + 49421005.

Almost surely, 2^101212122112 is an apocalyptic number.

It is an amenable number.

101212122112 is a deficient number, since it is larger than the sum of its proper divisors (101113284196).

101212122112 is an frugal number, since it uses more digits than its factorization.

101212122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98839983 (or 98839965 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101212122112 its reverse (211221212101), we get a palindrome (312433334213).

The spelling of 101212122112 in words is "one hundred one billion, two hundred twelve million, one hundred twenty-two thousand, one hundred twelve".