121302310204 has 48 divisors (see below), whose sum is σ = 237657369600. Its totient is φ = 53836413696.

The previous prime is 121302310193. The next prime is 121302310231. The reversal of 121302310204 is 402013203121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

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, 77607 + ... + 498625.

It is an arithmetic number, because the mean of its divisors is an integer number (4951195200).

Almost surely, 2^121302310204 is an apocalyptic number.

It is an amenable number.

121302310204 is a deficient number, since it is larger than the sum of its proper divisors (116355059396).

121302310204 is a wasteful number, since it uses less digits than its factorization.

121302310204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421282 (or 421280 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121302310204 its reverse (402013203121), we get a palindrome (523315513325).

The spelling of 121302310204 in words is "one hundred twenty-one billion, three hundred two million, three hundred ten thousand, two hundred four".