213201244321402 has 32 divisors (see below), whose sum is σ = 324848565504000. Its totient is φ = 104923431270000.

The previous prime is 213201244321399. The next prime is 213201244321421. The reversal of 213201244321402 is 204123442102312.

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, 1810552027 + ... + 1810669777.

It is an arithmetic number, because the mean of its divisors is an integer number (10151517672000).

Almost surely, 2^{213201244321402} is an apocalyptic number.

213201244321402 is a deficient number, since it is larger than the sum of its proper divisors (111647321182598).

213201244321402 is a wasteful number, since it uses less digits than its factorization.

213201244321402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139042.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 213201244321402 its reverse (204123442102312), we get a palindrome (417324686423714).

The spelling of 213201244321402 in words is "two hundred thirteen trillion, two hundred one billion, two hundred forty-four million, three hundred twenty-one thousand, four hundred two".