402212401031200 has 36 divisors (see below), whose sum is σ = 981901024019370. Its totient is φ = 160884960412160.

The previous prime is 402212401031191. The next prime is 402212401031257. The reversal of 402212401031200 is 2130104212204.

It can be written as a sum of positive squares in 3 ways, for example, as 378325995964816 + 23886405066384 = 19450604^2 + 4887372^2 .

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, 251382749845 + ... + 251382751444.

Almost surely, 2^{402212401031200} is an apocalyptic number.

402212401031200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402212401031200 is an abundant number, since it is smaller than the sum of its proper divisors (579688622988170).

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

402212401031200 is a wasteful number, since it uses less digits than its factorization.

402212401031200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502765501309 (or 502765501296 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 402212401031200 its reverse (2130104212204), we get a palindrome (404342505243404).

The spelling of 402212401031200 in words is "four hundred two trillion, two hundred twelve billion, four hundred one million, thirty-one thousand, two hundred".