121131202331200 has 84 divisors (see below), whose sum is σ = 311017528514880. Its totient is φ = 46345851312640.

The previous prime is 121131202331197. The next prime is 121131202331203. The reversal of 121131202331200 is 2133202131121.

It is an interprime number because it is at equal distance from previous prime (121131202331197) and next prime (121131202331203).

It is a super-2 number, since 2×121131202331200² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121131202331203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1645767580 + ... + 1645841179.

Almost surely, 2^{121131202331200} is an apocalyptic number.

121131202331200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121131202331200 is an abundant number, since it is smaller than the sum of its proper divisors (189886326183680).

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

121131202331200 is a wasteful number, since it uses less digits than its factorization.

121131202331200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291608804 (or 3291608789 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 121131202331200 its reverse (2133202131121), we get a palindrome (123264404462321).

The spelling of 121131202331200 in words is "one hundred twenty-one trillion, one hundred thirty-one billion, two hundred two million, three hundred thirty-one thousand, two hundred".