22012001210204 has 12 divisors (see below), whose sum is σ = 38524485421800. Its totient is φ = 11005005375408.

The previous prime is 22012001210167. The next prime is 22012001210237. The reversal of 22012001210204 is 40201210021022.

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, 248757659 + ... + 248846130.

It is an arithmetic number, because the mean of its divisors is an integer number (3210373785150).

Almost surely, 2^{22012001210204} is an apocalyptic number.

It is an amenable number.

22012001210204 is a deficient number, since it is larger than the sum of its proper divisors (16512484211596).

22012001210204 is a wasteful number, since it uses less digits than its factorization.

22012001210204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497614852 (or 497614850 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22012001210204 its reverse (40201210021022), we get a palindrome (62213211231226).

The spelling of 22012001210204 in words is "twenty-two trillion, twelve billion, one million, two hundred ten thousand, two hundred four".