121752373413 has 16 divisors (see below), whose sum is σ = 177106176576. Its totient is φ = 73784394240.

The previous prime is 121752373399. The next prime is 121752373417. The reversal of 121752373413 is 314373257121.

It is not a de Polignac number, because 121752373413 - 2²² = 121748179109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121752373417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414031 + ... + 644147.

It is an arithmetic number, because the mean of its divisors is an integer number (11069136036).

Almost surely, 2^121752373413 is an apocalyptic number.

It is an amenable number.

121752373413 is a deficient number, since it is larger than the sum of its proper divisors (55353803163).

121752373413 is a wasteful number, since it uses less digits than its factorization.

121752373413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246164.

The product of its digits is 105840, while the sum is 39.

The spelling of 121752373413 in words is "one hundred twenty-one billion, seven hundred fifty-two million, three hundred seventy-three thousand, four hundred thirteen".