1331333013212 has 12 divisors (see below), whose sum is σ = 2334577853496. Its totient is φ = 664310769360.

The previous prime is 1331333013167. The next prime is 1331333013253. The reversal of 1331333013212 is 2123103331331.

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, 338932103 + ... + 338936030.

It is an arithmetic number, because the mean of its divisors is an integer number (194548154458).

Almost surely, 2^{1331333013212} is an apocalyptic number.

It is an amenable number.

1331333013212 is a deficient number, since it is larger than the sum of its proper divisors (1003244840284).

1331333013212 is a wasteful number, since it uses less digits than its factorization.

1331333013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677868628 (or 677868626 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1331333013212 its reverse (2123103331331), we get a palindrome (3454436344543).

The spelling of 1331333013212 in words is "one trillion, three hundred thirty-one billion, three hundred thirty-three million, thirteen thousand, two hundred twelve".