201302121234 has 64 divisors (see below), whose sum is σ = 440805150720. Its totient is φ = 61048728000.

The previous prime is 201302121211. The next prime is 201302121269. The reversal of 201302121234 is 432121203102.

It is a self number, because there is not a number n which added to its sum of digits gives 201302121234.

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, 245544 + ... + 680364.

It is an arithmetic number, because the mean of its divisors is an integer number (6887580480).

Almost surely, 2^201302121234 is an apocalyptic number.

201302121234 is an abundant number, since it is smaller than the sum of its proper divisors (239503029486).

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

201302121234 is a wasteful number, since it uses less digits than its factorization.

201302121234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435007.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 201302121234 its reverse (432121203102), we get a palindrome (633423324336).

The spelling of 201302121234 in words is "two hundred one billion, three hundred two million, one hundred twenty-one thousand, two hundred thirty-four".