121452051065400 has 288 divisors, whose sum is σ = 449038325221200. Its totient is φ = 29172802406400.

The previous prime is 121452051065383. The next prime is 121452051065459. The reversal of 121452051065400 is 4560150254121.

121452051065400 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 5 + 2 + 0 + 5 + 106 + 540 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 25979149 + ... + 30295548.

Almost surely, 2^{121452051065400} is an apocalyptic number.

121452051065400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121452051065400 is an abundant number, since it is smaller than the sum of its proper divisors (327586274155800).

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

121452051065400 is a wasteful number, since it uses less digits than its factorization.

121452051065400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56274839 (or 56274827 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 121452051065400 in words is "one hundred twenty-one trillion, four hundred fifty-two billion, fifty-one million, sixty-five thousand, four hundred".