121285424613 has 32 divisors (see below), whose sum is σ = 173996992512. Its totient is φ = 74950920000.

The previous prime is 121285424573. The next prime is 121285424621. The reversal of 121285424613 is 316424582121.

It is not a de Polignac number, because 121285424613 - 2⁸ = 121285424357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121285424633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546168 + ... + 735438.

It is an arithmetic number, because the mean of its divisors is an integer number (5437406016).

Almost surely, 2^121285424613 is an apocalyptic number.

It is an amenable number.

121285424613 is a deficient number, since it is larger than the sum of its proper divisors (52711567899).

121285424613 is a wasteful number, since it uses less digits than its factorization.

121285424613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189585.

The product of its digits is 92160, while the sum is 39.

The spelling of 121285424613 in words is "one hundred twenty-one billion, two hundred eighty-five million, four hundred twenty-four thousand, six hundred thirteen".