9812453600121 has 16 divisors (see below), whose sum is σ = 13215416847360. Its totient is φ = 6475612306320.

The previous prime is 9812453600107. The next prime is 9812453600129. The reversal of 9812453600121 is 1210063542189.

It is not a de Polignac number, because 9812453600121 - 2⁹ = 9812453599609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9812453600129) 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, 5359645 + ... + 6953466.

It is an arithmetic number, because the mean of its divisors is an integer number (825963552960).

Almost surely, 2^{9812453600121} is an apocalyptic number.

It is an amenable number.

9812453600121 is a deficient number, since it is larger than the sum of its proper divisors (3402963247239).

9812453600121 is a wasteful number, since it uses less digits than its factorization.

9812453600121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12315796.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 9812453600121 in words is "nine trillion, eight hundred twelve billion, four hundred fifty-three million, six hundred thousand, one hundred twenty-one".