912331200320121 has 4 divisors (see below), whose sum is σ = 1216441600426832. Its totient is φ = 608220800213412.

The previous prime is 912331200320021. The next prime is 912331200320129. The reversal of 912331200320121 is 121023002133219.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 912331200320121 - 2¹³ = 912331200311929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (912331200320129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152055200053351 + ... + 152055200053356.

It is an arithmetic number, because the mean of its divisors is an integer number (304110400106708).

Almost surely, 2^{912331200320121} is an apocalyptic number.

It is an amenable number.

912331200320121 is a deficient number, since it is larger than the sum of its proper divisors (304110400106711).

912331200320121 is a wasteful number, since it uses less digits than its factorization.

912331200320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304110400106710.

The product of its (nonzero) digits is 3888, while the sum is 30.

The spelling of 912331200320121 in words is "nine hundred twelve trillion, three hundred thirty-one billion, two hundred million, three hundred twenty thousand, one hundred twenty-one".