13022121123112 has 8 divisors (see below), whose sum is σ = 24416477105850. Its totient is φ = 6511060561552.

The previous prime is 13022121123071. The next prime is 13022121123169. The reversal of 13022121123112 is 21132112122031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11698411046436 + 1323710076676 = 3420294^2 + 1150526^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 813882570187 + ... + 813882570202.

Almost surely, 2^{13022121123112} is an apocalyptic number.

It is an amenable number.

13022121123112 is a deficient number, since it is larger than the sum of its proper divisors (11394355982738).

13022121123112 is a wasteful number, since it uses less digits than its factorization.

13022121123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627765140395 (or 1627765140391 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 13022121123112 its reverse (21132112122031), we get a palindrome (34154233245143).

The spelling of 13022121123112 in words is "thirteen trillion, twenty-two billion, one hundred twenty-one million, one hundred twenty-three thousand, one hundred twelve".