402312130002 has 12 divisors (see below), whose sum is σ = 871676281710. Its totient is φ = 134104043328.

The previous prime is 402312129977. The next prime is 402312130063. The reversal of 402312130002 is 200031213204.

It can be written as a sum of positive squares in only one way, i.e., 378863639361 + 23448490641 = 615519^2 + 153129^2 .

It is a super-2 number, since 2×402312130002² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 22350673889 = 402312130002 / (4 + 0 + 2 + 3 + 1 + 2 + 1 + 3 + 0 + 0 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11175336927 + ... + 11175336962.

Almost surely, 2^402312130002 is an apocalyptic number.

402312130002 is an abundant number, since it is smaller than the sum of its proper divisors (469364151708).

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

402312130002 is a wasteful number, since it uses less digits than its factorization.

402312130002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22350673897 (or 22350673894 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 402312130002 its reverse (200031213204), we get a palindrome (602343343206).

The spelling of 402312130002 in words is "four hundred two billion, three hundred twelve million, one hundred thirty thousand, two".