101211333612 has 48 divisors (see below), whose sum is σ = 242998110432. Its totient is φ = 32772812800.

The previous prime is 101211333607. The next prime is 101211333617. The reversal of 101211333612 is 216333112101.

It is an interprime number because it is at equal distance from previous prime (101211333607) and next prime (101211333617).

It is not an unprimeable number, because it can be changed into a prime (101211333617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723573 + ... + 852044.

It is an arithmetic number, because the mean of its divisors is an integer number (5062460634).

Almost surely, 2^101211333612 is an apocalyptic number.

101211333612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101211333612 is an abundant number, since it is smaller than the sum of its proper divisors (141786776820).

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

101211333612 is a wasteful number, since it uses less digits than its factorization.

101211333612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575778 (or 1575776 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 101211333612 its reverse (216333112101), we get a palindrome (317544445713).

The spelling of 101211333612 in words is "one hundred one billion, two hundred eleven million, three hundred thirty-three thousand, six hundred twelve".