1015013111212 has 6 divisors (see below), whose sum is σ = 1776272944628. Its totient is φ = 507506555604.

The previous prime is 1015013111179. The next prime is 1015013111317. The reversal of 1015013111212 is 2121113105101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1015013111212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126876638898 + ... + 126876638905.

Almost surely, 2^{1015013111212} is an apocalyptic number.

It is an amenable number.

1015013111212 is a deficient number, since it is larger than the sum of its proper divisors (761259833416).

1015013111212 is a wasteful number, since it uses less digits than its factorization.

1015013111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253753277807 (or 253753277805 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 19.

Adding to 1015013111212 its reverse (2121113105101), we get a palindrome (3136126216313).

The spelling of 1015013111212 in words is "one trillion, fifteen billion, thirteen million, one hundred eleven thousand, two hundred twelve".