2978137533012 has 24 divisors (see below), whose sum is σ = 6949610502912. Its totient is φ = 992623521600.

The previous prime is 2978137532999. The next prime is 2978137533013. The reversal of 2978137533012 is 2103357318792.

2978137533012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978137533013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10984164 + ... + 11252027.

It is an arithmetic number, because the mean of its divisors is an integer number (289567104288).

Almost surely, 2^{2978137533012} is an apocalyptic number.

It is an amenable number.

2978137533012 is an abundant number, since it is smaller than the sum of its proper divisors (3971472969900).

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

2978137533012 is a wasteful number, since it uses less digits than its factorization.

2978137533012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22247359 (or 22247357 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 2978137533012 in words is "two trillion, nine hundred seventy-eight billion, one hundred thirty-seven million, five hundred thirty-three thousand, twelve".