12943699920052 has 36 divisors (see below), whose sum is σ = 24898270697188. Its totient is φ = 5883412867200.

The previous prime is 12943699920049. The next prime is 12943699920071. The reversal of 12943699920052 is 25002999634921.

It can be written as a sum of positive squares in 2 ways, for example, as 8532918685456 + 4410781234596 = 2921116^2 + 2100186^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41669152 + ... + 41978632.

Almost surely, 2^{12943699920052} is an apocalyptic number.

It is an amenable number.

12943699920052 is a deficient number, since it is larger than the sum of its proper divisors (11954570777136).

12943699920052 is a wasteful number, since it uses less digits than its factorization.

12943699920052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395920 (or 395907 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 61.

The spelling of 12943699920052 in words is "twelve trillion, nine hundred forty-three billion, six hundred ninety-nine million, nine hundred twenty thousand, fifty-two".