213122001202 has 64 divisors (see below), whose sum is σ = 376867759104. Its totient is φ = 89302487040.

The previous prime is 213122001199. The next prime is 213122001223. The reversal of 213122001202 is 202100221312.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12023098 + ... + 12040810.

It is an arithmetic number, because the mean of its divisors is an integer number (5888558736).

Almost surely, 2^213122001202 is an apocalyptic number.

213122001202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213122001202 is a deficient number, since it is larger than the sum of its proper divisors (163745757902).

213122001202 is a wasteful number, since it uses less digits than its factorization.

213122001202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18403.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 213122001202 its reverse (202100221312), we get a palindrome (415222222514).

The spelling of 213122001202 in words is "two hundred thirteen billion, one hundred twenty-two million, one thousand, two hundred two".