121402455574400 has 384 divisors, whose sum is σ = 402665637749760. Its totient is φ = 34928977305600.

The previous prime is 121402455574343. The next prime is 121402455574417. The reversal of 121402455574400 is 4475554204121.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 15746984 + ... + 22153383.

It is an arithmetic number, because the mean of its divisors is an integer number (1048608431640).

Almost surely, 2^{121402455574400} is an apocalyptic number.

121402455574400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121402455574400 is an abundant number, since it is smaller than the sum of its proper divisors (281263182175360).

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

121402455574400 is a wasteful number, since it uses less digits than its factorization.

121402455574400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37900422 (or 37900405 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 44.

The spelling of 121402455574400 in words is "one hundred twenty-one trillion, four hundred two billion, four hundred fifty-five million, five hundred seventy-four thousand, four hundred".