2140405451212 has 48 divisors (see below), whose sum is σ = 4294916953600. Its totient is φ = 914298751872.

The previous prime is 2140405451201. The next prime is 2140405451251. The reversal of 2140405451212 is 2121545040412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10545664 + ... + 10746712.

Almost surely, 2^{2140405451212} is an apocalyptic number.

It is an amenable number.

2140405451212 is an abundant number, since it is smaller than the sum of its proper divisors (2154511502388).

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

2140405451212 is a wasteful number, since it uses less digits than its factorization.

2140405451212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202310 (or 202308 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The spelling of 2140405451212 in words is "two trillion, one hundred forty billion, four hundred five million, four hundred fifty-one thousand, two hundred twelve".