121400014400210 has 48 divisors (see below), whose sum is σ = 273750362156376. Its totient is φ = 38421103456512.

The previous prime is 121400014400209. The next prime is 121400014400213. The reversal of 121400014400210 is 12004410004121.

It can be written as a sum of positive squares in 4 ways, for example, as 104902599386809 + 16497415013401 = 10242197^2 + 4061701^2 .

It is not an unprimeable number, because it can be changed into a prime (121400014400213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9529037147 + ... + 9529049886.

Almost surely, 2^{121400014400210} is an apocalyptic number.

121400014400210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121400014400210 is an abundant number, since it is smaller than the sum of its proper divisors (152350347756166).

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

121400014400210 is a wasteful number, since it uses less digits than its factorization.

121400014400210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19058087067 (or 19058087060 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121400014400210 its reverse (12004410004121), we get a palindrome (133404424404331).

The spelling of 121400014400210 in words is "one hundred twenty-one trillion, four hundred billion, fourteen million, four hundred thousand, two hundred ten".