204312213402 has 64 divisors (see below), whose sum is σ = 465709772160. Its totient is φ = 59185952000.

The previous prime is 204312213341. The next prime is 204312213403.

It is a happy number.

204312213402 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (204312213403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 335133 + ... + 721760.

It is an arithmetic number, because the mean of its divisors is an integer number (7276715190).

Almost surely, 2^204312213402 is an apocalyptic number.

204312213402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

204312213402 is an abundant number, since it is smaller than the sum of its proper divisors (261397558758).

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

204312213402 is a wasteful number, since it uses less digits than its factorization.

204312213402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057039.

The product of its (nonzero) digits is 2304, while the sum is 24.

It can be divided in two parts, 204312 and 213402, that added together give a palindrome (417714).

The spelling of 204312213402 in words is "two hundred four billion, three hundred twelve million, two hundred thirteen thousand, four hundred two".