2101537647212 has 12 divisors (see below), whose sum is σ = 3677713405296. Its totient is φ = 1050762388560.

The previous prime is 2101537647133. The next prime is 2101537647239. The reversal of 2101537647212 is 2127467351012.

It is a self number, because there is not a number n which added to its sum of digits gives 2101537647212.

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 3 ways as a sum of consecutive naturals, for example, 832328 + ... + 2212655.

It is an arithmetic number, because the mean of its divisors is an integer number (306476117108).

Almost surely, 2^{2101537647212} is an apocalyptic number.

It is an amenable number.

2101537647212 is a deficient number, since it is larger than the sum of its proper divisors (1576175758084).

2101537647212 is a wasteful number, since it uses less digits than its factorization.

2101537647212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217528 (or 3217526 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 2101537647212 in words is "two trillion, one hundred one billion, five hundred thirty-seven million, six hundred forty-seven thousand, two hundred twelve".