121752036351 has 24 divisors (see below), whose sum is σ = 192175313616. Its totient is φ = 73664643840.

The previous prime is 121752036317. The next prime is 121752036433. The reversal of 121752036351 is 153630257121.

121752036351 is a `hidden beast` number, since 1 + 2 + 17 + 5 + 2 + 0 + 3 + 635 + 1 = 666.

It is not a de Polignac number, because 121752036351 - 2¹⁴ = 121752019967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121752036151) 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, 978240 + ... + 1095653.

It is an arithmetic number, because the mean of its divisors is an integer number (8007304734).

Almost surely, 2^121752036351 is an apocalyptic number.

121752036351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121752036351 is a deficient number, since it is larger than the sum of its proper divisors (70423277265).

121752036351 is a wasteful number, since it uses less digits than its factorization.

121752036351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074503 (or 2074500 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The spelling of 121752036351 in words is "one hundred twenty-one billion, seven hundred fifty-two million, thirty-six thousand, three hundred fifty-one".