1022023032312 has 64 divisors (see below), whose sum is σ = 2707630480800. Its totient is φ = 320904335360.

The previous prime is 1022023032263. The next prime is 1022023032319. The reversal of 1022023032312 is 2132303202201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022023032319) 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, 17879073 + ... + 17936144.

Almost surely, 2^{1022023032312} is an apocalyptic number.

1022023032312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1022023032312 is an abundant number, since it is smaller than the sum of its proper divisors (1685607448488).

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

1022023032312 is a wasteful number, since it uses less digits than its factorization.

1022023032312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35815296 (or 35815292 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1022023032312 its reverse (2132303202201), we get a palindrome (3154326234513).

The spelling of 1022023032312 in words is "one trillion, twenty-two billion, twenty-three million, thirty-two thousand, three hundred twelve".