2012613644640 has 192 divisors, whose sum is σ = 6868767983616. Its totient is φ = 493379346432.

The previous prime is 2012613644617. The next prime is 2012613644641. The reversal of 2012613644640 is 464463162102.

It is a super-2 number, since 2×2012613644640² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012613644641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2517072 + ... + 3218831.

It is an arithmetic number, because the mean of its divisors is an integer number (35774833248).

Almost surely, 2^{2012613644640} is an apocalyptic number.

2012613644640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012613644640 is an abundant number, since it is smaller than the sum of its proper divisors (4856154338976).

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

2012613644640 is a wasteful number, since it uses less digits than its factorization.

2012613644640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5735981 (or 5735973 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

It can be divided in two parts, 20126136 and 44640, that added together give a triangular number (20170776 = T₆₃₅₁).

The spelling of 2012613644640 in words is "two trillion, twelve billion, six hundred thirteen million, six hundred forty-four thousand, six hundred forty".