121883450253120 has 84 divisors (see below), whose sum is σ = 419228284109700. Its totient is φ = 32502253400064.

The previous prime is 121883450253091. The next prime is 121883450253167. The reversal of 121883450253120 is 21352054388121.

121883450253120 is a `hidden beast` number, since 1 + 2 + 1 + 8 + 83 + 4 + 502 + 53 + 12 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12609544184064 + 109273906069056 = 3550992^2 + 10453416^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 21160318345 + ... + 21160324104.

Almost surely, 2^{121883450253120} is an apocalyptic number.

121883450253120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121883450253120 is an abundant number, since it is smaller than the sum of its proper divisors (297344833856580).

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

121883450253120 is a wasteful number, since it uses less digits than its factorization.

121883450253120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42320642472 (or 42320642459 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 121883450253120 in words is "one hundred twenty-one trillion, eight hundred eighty-three billion, four hundred fifty million, two hundred fifty-three thousand, one hundred twenty".