1012022200312 has 16 divisors (see below), whose sum is σ = 1897561580400. Its totient is φ = 506005778880.

The previous prime is 1012022200309. The next prime is 1012022200379. The reversal of 1012022200312 is 2130022202101.

It is a happy number.

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, 211012 + ... + 1438252.

It is an arithmetic number, because the mean of its divisors is an integer number (118597598775).

Almost surely, 2^{1012022200312} is an apocalyptic number.

It is an amenable number.

1012022200312 is a deficient number, since it is larger than the sum of its proper divisors (885539380088).

1012022200312 is a wasteful number, since it uses less digits than its factorization.

1012022200312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330326 (or 1330322 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1012022200312 its reverse (2130022202101), we get a palindrome (3142044402413).

The spelling of 1012022200312 in words is "one trillion, twelve billion, twenty-two million, two hundred thousand, three hundred twelve".