512512203444402 has 64 divisors (see below), whose sum is σ = 1172438539444224. Its totient is φ = 146309331093120.

The previous prime is 512512203444389. The next prime is 512512203444407. The reversal of 512512203444402 is 204444302215215.

It is a super-2 number, since 2×512512203444402² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (512512203444407) 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, 382682463 + ... + 384019389.

It is an arithmetic number, because the mean of its divisors is an integer number (18319352178816).

Almost surely, 2^{512512203444402} is an apocalyptic number.

512512203444402 is an abundant number, since it is smaller than the sum of its proper divisors (659926335999822).

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

512512203444402 is a wasteful number, since it uses less digits than its factorization.

512512203444402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344583.

The product of its (nonzero) digits is 307200, while the sum is 39.

Adding to 512512203444402 its reverse (204444302215215), we get a palindrome (716956505659617).

The spelling of 512512203444402 in words is "five hundred twelve trillion, five hundred twelve billion, two hundred three million, four hundred forty-four thousand, four hundred two".