121200311120130 has 288 divisors, whose sum is σ = 368724840501888. Its totient is φ = 27385059225600.

The previous prime is 121200311120129. The next prime is 121200311120143. The reversal of 121200311120130 is 31021113002121.

121200311120130 is a `hidden beast` number, since 1 + 2 + 1 + 200 + 311 + 1 + 20 + 130 = 666.

121200311120130 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 27412950 + ... + 31525710.

It is an arithmetic number, because the mean of its divisors is an integer number (1280294585076).

Almost surely, 2^{121200311120130} is an apocalyptic number.

121200311120130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121200311120130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184362420250944).

121200311120130 is an abundant number, since it is smaller than the sum of its proper divisors (247524529381758).

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

121200311120130 is a wasteful number, since it uses less digits than its factorization.

121200311120130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4112922 (or 4112902 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 121200311120130 its reverse (31021113002121), we get a palindrome (152221424122251).

The spelling of 121200311120130 in words is "one hundred twenty-one trillion, two hundred billion, three hundred eleven million, one hundred twenty thousand, one hundred thirty".