121751653324 has 24 divisors (see below), whose sum is σ = 243613762560. Its totient is φ = 52155610896.

The previous prime is 121751653321. The next prime is 121751653363. The reversal of 121751653324 is 423356157121.

It is not an unprimeable number, because it can be changed into a prime (121751653321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923314 + ... + 1046905.

It is an arithmetic number, because the mean of its divisors is an integer number (10150573440).

Almost surely, 2^121751653324 is an apocalyptic number.

121751653324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121751653324 is an abundant number, since it is smaller than the sum of its proper divisors (121862109236).

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

121751653324 is a wasteful number, since it uses less digits than its factorization.

121751653324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972437 (or 1972435 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

The spelling of 121751653324 in words is "one hundred twenty-one billion, seven hundred fifty-one million, six hundred fifty-three thousand, three hundred twenty-four".