121323404200 has 48 divisors (see below), whose sum is σ = 291176184960. Its totient is φ = 46963896000.

The previous prime is 121323404197. The next prime is 121323404221. The reversal of 121323404200 is 2404323121.

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, 9777946 + ... + 9790345.

It is an arithmetic number, because the mean of its divisors is an integer number (6066170520).

Almost surely, 2^121323404200 is an apocalyptic number.

121323404200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121323404200 is an abundant number, since it is smaller than the sum of its proper divisors (169852780760).

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

121323404200 is a wasteful number, since it uses less digits than its factorization.

121323404200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19568338 (or 19568329 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 121323404200 its reverse (2404323121), we get a palindrome (123727727321).

The spelling of 121323404200 in words is "one hundred twenty-one billion, three hundred twenty-three million, four hundred four thousand, two hundred".