1131020303212 has 12 divisors (see below), whose sum is σ = 1979320707616. Its totient is φ = 565500101040.

The previous prime is 1131020303183. The next prime is 1131020303249. The reversal of 1131020303212 is 2123030201311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131020303212.

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, 2256543 + ... + 2711830.

Almost surely, 2^{1131020303212} is an apocalyptic number.

It is an amenable number.

1131020303212 is a deficient number, since it is larger than the sum of its proper divisors (848300404404).

1131020303212 is a wasteful number, since it uses less digits than its factorization.

1131020303212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5025288 (or 5025286 counting only the distinct ones).

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

Adding to 1131020303212 its reverse (2123030201311), we get a palindrome (3254050504523).

The spelling of 1131020303212 in words is "one trillion, one hundred thirty-one billion, twenty million, three hundred three thousand, two hundred twelve".