121933944668745 has 96 divisors (see below), whose sum is σ = 230944451287680. Its totient is φ = 59022518584320.

The previous prime is 121933944668741. The next prime is 121933944668779. The reversal of 121933944668745 is 547866449339121.

121933944668745 is a `hidden beast` number, since 1 + 2 + 1 + 9 + 3 + 3 + 94 + 466 + 8 + 74 + 5 = 666.

It is not a de Polignac number, because 121933944668745 - 2² = 121933944668741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121933944668741) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 879881821 + ... + 880020389.

It is an arithmetic number, because the mean of its divisors is an integer number (2405671367580).

Almost surely, 2^{121933944668745} is an apocalyptic number.

121933944668745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121933944668745 is a deficient number, since it is larger than the sum of its proper divisors (109010506618935).

121933944668745 is a wasteful number, since it uses less digits than its factorization.

121933944668745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141495 (or 141492 counting only the distinct ones).

The product of its digits is 940584960, while the sum is 72.

The spelling of 121933944668745 in words is "one hundred twenty-one trillion, nine hundred thirty-three billion, nine hundred forty-four million, six hundred sixty-eight thousand, seven hundred forty-five".