213303120102 has 24 divisors (see below), whose sum is σ = 462928330800. Its totient is φ = 70982336880.

The previous prime is 213303120101. The next prime is 213303120113. The reversal of 213303120102 is 201021303312.

213303120102 is a `hidden beast` number, since 21 + 330 + 312 + 0 + 1 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213303120101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9880849 + ... + 9902412.

It is an arithmetic number, because the mean of its divisors is an integer number (19288680450).

Almost surely, 2^213303120102 is an apocalyptic number.

213303120102 is an abundant number, since it is smaller than the sum of its proper divisors (249625210698).

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

213303120102 is a wasteful number, since it uses less digits than its factorization.

213303120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19783868 (or 19783865 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 213303120102 its reverse (201021303312), we get a palindrome (414324423414).

The spelling of 213303120102 in words is "two hundred thirteen billion, three hundred three million, one hundred twenty thousand, one hundred two".