121231020231299 has 8 divisors (see below), whose sum is σ = 132256156492800. Its totient is φ = 110206573040200.

The previous prime is 121231020231271. The next prime is 121231020231317. The reversal of 121231020231299 is 992132020132121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121231020231299 - 2²⁸ = 121230751795843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121231020231229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171899699 + ... + 172603500.

It is an arithmetic number, because the mean of its divisors is an integer number (16532019561600).

Almost surely, 2^{121231020231299} is an apocalyptic number.

121231020231299 is a deficient number, since it is larger than the sum of its proper divisors (11025136261501).

121231020231299 is a wasteful number, since it uses less digits than its factorization.

121231020231299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344535201.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 121231020231299 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, twenty million, two hundred thirty-one thousand, two hundred ninety-nine".