121005472200 has 48 divisors (see below), whose sum is σ = 375116965680. Its totient is φ = 32268125760.

The previous prime is 121005472163. The next prime is 121005472229. The reversal of 121005472200 is 2274500121.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 100837294 + ... + 100838493.

It is an arithmetic number, because the mean of its divisors is an integer number (7814936785).

Almost surely, 2^121005472200 is an apocalyptic number.

121005472200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121005472200 is an abundant number, since it is smaller than the sum of its proper divisors (254111493480).

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

121005472200 is a wasteful number, since it uses less digits than its factorization.

121005472200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201675806 (or 201675797 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

Adding to 121005472200 its reverse (2274500121), we get a palindrome (123279972321).

The spelling of 121005472200 in words is "one hundred twenty-one billion, five million, four hundred seventy-two thousand, two hundred".