22111590470412 has 12 divisors (see below), whose sum is σ = 51593711097656. Its totient is φ = 7370530156800.

The previous prime is 22111590470381. The next prime is 22111590470423. The reversal of 22111590470412 is 21407409511122.

It is a happy number.

22111590470412 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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, 921316269589 + ... + 921316269612.

Almost surely, 2^{22111590470412} is an apocalyptic number.

It is an amenable number.

22111590470412 is an abundant number, since it is smaller than the sum of its proper divisors (29482120627244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22111590470412 is a wasteful number, since it uses less digits than its factorization.

22111590470412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842632539208 (or 1842632539206 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

Adding to 22111590470412 its reverse (21407409511122), we get a palindrome (43518999981534).

The spelling of 22111590470412 in words is "twenty-two trillion, one hundred eleven billion, five hundred ninety million, four hundred seventy thousand, four hundred twelve".