1331110012012 has 24 divisors (see below), whose sum is σ = 2541353879232. Its totient is φ = 605015754000.

The previous prime is 1331110012007. The next prime is 1331110012021. The reversal of 1331110012012 is 2102100111331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61918 + ... + 1632805.

It is an arithmetic number, because the mean of its divisors is an integer number (105889744968).

Almost surely, 2^{1331110012012} is an apocalyptic number.

It is an amenable number.

1331110012012 is a deficient number, since it is larger than the sum of its proper divisors (1210243867220).

1331110012012 is a wasteful number, since it uses less digits than its factorization.

1331110012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712589 (or 1712587 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1331110012012 its reverse (2102100111331), we get a palindrome (3433210123343).

The spelling of 1331110012012 in words is "one trillion, three hundred thirty-one billion, one hundred ten million, twelve thousand, twelve".