1231032021998 has 8 divisors (see below), whose sum is σ = 1859832551640. Its totient is φ = 611087838120.

The previous prime is 1231032021979. The next prime is 1231032022013. The reversal of 1231032021998 is 8991202301321.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2214086093 + ... + 2214086648.

It is an arithmetic number, because the mean of its divisors is an integer number (232479068955).

Almost surely, 2^{1231032021998} is an apocalyptic number.

1231032021998 is a deficient number, since it is larger than the sum of its proper divisors (628800529642).

1231032021998 is a wasteful number, since it uses less digits than its factorization.

1231032021998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428172882.

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 1231032021998 in words is "one trillion, two hundred thirty-one billion, thirty-two million, twenty-one thousand, nine hundred ninety-eight".