121302113202 has 48 divisors (see below), whose sum is σ = 263523169728. Its totient is φ = 40326202080.

The previous prime is 121302113197. The next prime is 121302113209. The reversal of 121302113202 is 202311203121.

121302113202 is a `hidden beast` number, since 1 + 2 + 130 + 211 + 320 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (121302113209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10853077 + ... + 10864247.

It is an arithmetic number, because the mean of its divisors is an integer number (5490066036).

Almost surely, 2^121302113202 is an apocalyptic number.

121302113202 is an abundant number, since it is smaller than the sum of its proper divisors (142221056526).

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

121302113202 is a wasteful number, since it uses less digits than its factorization.

121302113202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12735 (or 12732 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121302113202 its reverse (202311203121), we get a palindrome (323613316323).

The spelling of 121302113202 in words is "one hundred twenty-one billion, three hundred two million, one hundred thirteen thousand, two hundred two".