121045682862720 has 4096 divisors, whose sum is σ = 569818445414400. Its totient is φ = 23740085698560.

The previous prime is 121045682862683. The next prime is 121045682862761. The reversal of 121045682862720 is 27268286540121.

121045682862720 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 4 + 5 + 6 + 8 + 2 + 8 + 627 + 2 + 0 = 666.

It is a super-3 number, since 3×121045682862720³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 359186002392 + ... + 359186002728.

It is an arithmetic number, because the mean of its divisors is an integer number (139115831400).

Almost surely, 2^{121045682862720} is an apocalyptic number.

121045682862720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121045682862720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284909222707200).

121045682862720 is an abundant number, since it is smaller than the sum of its proper divisors (448772762551680).

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

121045682862720 is a wasteful number, since it uses less digits than its factorization.

121045682862720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 121045682862720 in words is "one hundred twenty-one trillion, forty-five billion, six hundred eighty-two million, eight hundred sixty-two thousand, seven hundred twenty".