1011311313212 has 12 divisors (see below), whose sum is σ = 1792197264480. Its totient is φ = 499254951936.

The previous prime is 1011311313203. The next prime is 1011311313239. The reversal of 1011311313212 is 2123131131101.

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, 1600175813 + ... + 1600176444.

It is an arithmetic number, because the mean of its divisors is an integer number (149349772040).

Almost surely, 2^{1011311313212} is an apocalyptic number.

It is an amenable number.

1011311313212 is a deficient number, since it is larger than the sum of its proper divisors (780885951268).

1011311313212 is a wasteful number, since it uses less digits than its factorization.

1011311313212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200352340 (or 3200352338 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1011311313212 its reverse (2123131131101), we get a palindrome (3134442444313).

The spelling of 1011311313212 in words is "one trillion, eleven billion, three hundred eleven million, three hundred thirteen thousand, two hundred twelve".