201232420102 has 16 divisors (see below), whose sum is σ = 346720983840. Its totient is φ = 85804685568.

The previous prime is 201232420069. The next prime is 201232420127. The reversal of 201232420102 is 201024232102.

It is a self number, because there is not a number n which added to its sum of digits gives 201232420102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36478827 + ... + 36484342.

It is an arithmetic number, because the mean of its divisors is an integer number (21670061490).

Almost surely, 2^201232420102 is an apocalyptic number.

201232420102 is a deficient number, since it is larger than the sum of its proper divisors (145488563738).

201232420102 is a wasteful number, since it uses less digits than its factorization.

201232420102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72963375.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 201232420102 its reverse (201024232102), we get a palindrome (402256652204).

The spelling of 201232420102 in words is "two hundred one billion, two hundred thirty-two million, four hundred twenty thousand, one hundred two".