1012203013231 has 12 divisors (see below), whose sum is σ = 1019948425096. Its totient is φ = 1004478602400.

The previous prime is 1012203013207. The next prime is 1012203013259. The reversal of 1012203013231 is 1323103022101.

It is not a de Polignac number, because 1012203013231 - 2⁷ = 1012203013103 is a prime.

It is a super-2 number, since 2×1012203013231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012203013199 and 1012203013208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012203013201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80092045 + ... + 80104681.

Almost surely, 2^{1012203013231} is an apocalyptic number.

1012203013231 is a deficient number, since it is larger than the sum of its proper divisors (7745411865).

1012203013231 is an frugal number, since it uses more digits than its factorization.

1012203013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14202 (or 13501 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1012203013231 its reverse (1323103022101), we get a palindrome (2335306035332).

The spelling of 1012203013231 in words is "one trillion, twelve billion, two hundred three million, thirteen thousand, two hundred thirty-one".