121200233224250 has 32 divisors (see below), whose sum is σ = 230606292962448. Its totient is φ = 47685337656000.

The previous prime is 121200233224249. The next prime is 121200233224253. The reversal of 121200233224250 is 52422332002121.

121200233224250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 7542608597161 + 113657624627089 = 2746381^2 + 10661033^2 .

It is a super-2 number, since 2×121200233224250² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121200233224253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3973762889 + ... + 3973793388.

Almost surely, 2^{121200233224250} is an apocalyptic number.

121200233224250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121200233224250 is a deficient number, since it is larger than the sum of its proper divisors (109406059738198).

121200233224250 is an equidigital number, since it uses as much as digits as its factorization.

121200233224250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7947556355 (or 7947556345 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 121200233224250 its reverse (52422332002121), we get a palindrome (173622565226371).

The spelling of 121200233224250 in words is "one hundred twenty-one trillion, two hundred billion, two hundred thirty-three million, two hundred twenty-four thousand, two hundred fifty".