2012739899520 has 768 divisors, whose sum is σ = 7687680105600. Its totient is φ = 446352850944.

The previous prime is 2012739899491. The next prime is 2012739899549. The reversal of 2012739899520 is 259989372102.

It is an interprime number because it is at equal distance from previous prime (2012739899491) and next prime (2012739899549).

It is a super-2 number, since 2×2012739899520² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 635132496 + ... + 635135664.

Almost surely, 2^{2012739899520} is an apocalyptic number.

2012739899520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012739899520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3843840052800).

2012739899520 is an abundant number, since it is smaller than the sum of its proper divisors (5674940206080).

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

2012739899520 is a wasteful number, since it uses less digits than its factorization.

2012739899520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405 (or 3386 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 57.

The spelling of 2012739899520 in words is "two trillion, twelve billion, seven hundred thirty-nine million, eight hundred ninety-nine thousand, five hundred twenty".