121200132010 has 64 divisors (see below), whose sum is σ = 234919678464. Its totient is φ = 44853580800.

The previous prime is 121200131989. The next prime is 121200132019. The reversal of 121200132010 is 10231002121.

It is not an unprimeable number, because it can be changed into a prime (121200132019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29479855 + ... + 29483965.

It is an arithmetic number, because the mean of its divisors is an integer number (3670619976).

Almost surely, 2^121200132010 is an apocalyptic number.

121200132010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121200132010 is a deficient number, since it is larger than the sum of its proper divisors (113719546454).

121200132010 is a wasteful number, since it uses less digits than its factorization.

121200132010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7039.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 121200132010 its reverse (10231002121), we get a palindrome (131431134131).

The spelling of 121200132010 in words is "one hundred twenty-one billion, two hundred million, one hundred thirty-two thousand, ten".