101440212412 has 48 divisors (see below), whose sum is σ = 232972750080. Its totient is φ = 37442044800.

The previous prime is 101440212373. The next prime is 101440212421. The reversal of 101440212412 is 214212044101.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 8661289 + ... + 8672992.

It is an arithmetic number, because the mean of its divisors is an integer number (4853598960).

Almost surely, 2^101440212412 is an apocalyptic number.

It is an amenable number.

101440212412 is an abundant number, since it is smaller than the sum of its proper divisors (131532537668).

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

101440212412 is a wasteful number, since it uses less digits than its factorization.

101440212412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17334322 (or 17334320 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 101440212412 its reverse (214212044101), we get a palindrome (315652256513).

The spelling of 101440212412 in words is "one hundred one billion, four hundred forty million, two hundred twelve thousand, four hundred twelve".