121376051200000 has 192 divisors, whose sum is σ = 303416333978940. Its totient is φ = 48550379520000.

The previous prime is 121376051199983. The next prime is 121376051200087. The reversal of 121376051200000 is 2150673121.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 18965537243136 + 102410513956864 = 4354944^2 + 10119808^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101807344 + ... + 102992656.

Almost surely, 2^{121376051200000} is an apocalyptic number.

121376051200000 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 121376051200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151708166989470).

121376051200000 is an abundant number, since it is smaller than the sum of its proper divisors (182040282778940).

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

121376051200000 is an frugal number, since it uses more digits than its factorization.

121376051200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185368 (or 1185320 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 121376051200000 in words is "one hundred twenty-one trillion, three hundred seventy-six billion, fifty-one million, two hundred thousand".