2720172043512 has 96 divisors (see below), whose sum is σ = 9184996529280. Its totient is φ = 706538191680.

The previous prime is 2720172043499. The next prime is 2720172043573. The reversal of 2720172043512 is 2153402710272.

2720172043512 is a `hidden beast` number, since 2 + 7 + 201 + 7 + 2 + 0 + 435 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245320218 + ... + 245331305.

It is an arithmetic number, because the mean of its divisors is an integer number (95677047180).

Almost surely, 2^{2720172043512} is an apocalyptic number.

2720172043512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2720172043512 is an abundant number, since it is smaller than the sum of its proper divisors (6464824485768).

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

2720172043512 is a wasteful number, since it uses less digits than its factorization.

2720172043512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490651553 (or 490651546 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

Adding to 2720172043512 its reverse (2153402710272), we get a palindrome (4873574753784).

The spelling of 2720172043512 in words is "two trillion, seven hundred twenty billion, one hundred seventy-two million, forty-three thousand, five hundred twelve".