402121043202 has 32 divisors (see below), whose sum is σ = 823899513024. Its totient is φ = 130764441600.

The previous prime is 402121043183. The next prime is 402121043213. The reversal of 402121043202 is 202340121204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7938018 + ... + 7988514.

It is an arithmetic number, because the mean of its divisors is an integer number (25746859782).

Almost surely, 2^402121043202 is an apocalyptic number.

402121043202 is an abundant number, since it is smaller than the sum of its proper divisors (421778469822).

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

402121043202 is a wasteful number, since it uses less digits than its factorization.

402121043202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82914.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 402121043202 its reverse (202340121204), we get a palindrome (604461164406).

The spelling of 402121043202 in words is "four hundred two billion, one hundred twenty-one million, forty-three thousand, two hundred two".