2131211010412 has 24 divisors (see below), whose sum is σ = 4282816386240. Its totient is φ = 917746367760.

The previous prime is 2131211010307. The next prime is 2131211010421. The reversal of 2131211010412 is 2140101121312.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 2131211010412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274646898 + ... + 1274648569.

It is an arithmetic number, because the mean of its divisors is an integer number (178450682760).

Almost surely, 2^{2131211010412} is an apocalyptic number.

2131211010412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2131211010412 is an abundant number, since it is smaller than the sum of its proper divisors (2151605375828).

2131211010412 is a wasteful number, since it uses less digits than its factorization.

2131211010412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549295501 (or 2549295499 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2131211010412 its reverse (2140101121312), we get a palindrome (4271312131724).

The spelling of 2131211010412 in words is "two trillion, one hundred thirty-one billion, two hundred eleven million, ten thousand, four hundred twelve".