12920541762 has 32 divisors (see below), whose sum is σ = 26004464640. Its totient is φ = 4279698000.

The previous prime is 12920541757. The next prime is 12920541763. The reversal of 12920541762 is 26714502921.

It is a self number, because there is not a number n which added to its sum of digits gives 12920541762.

It is not an unprimeable number, because it can be changed into a prime (12920541763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651363 + ... + 670905.

It is an arithmetic number, because the mean of its divisors is an integer number (812639520).

Almost surely, 2^12920541762 is an apocalyptic number.

12920541762 is an abundant number, since it is smaller than the sum of its proper divisors (13083922878).

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

12920541762 is a wasteful number, since it uses less digits than its factorization.

12920541762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20238.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 12920541762 in words is "twelve billion, nine hundred twenty million, five hundred forty-one thousand, seven hundred sixty-two".