22021012002212 has 12 divisors (see below), whose sum is σ = 40212282786816. Its totient is φ = 10531788348840.

The previous prime is 22021012002203. The next prime is 22021012002257. The reversal of 22021012002212 is 21220021012022.

It is a happy 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, 119679412964 + ... + 119679413147.

It is an arithmetic number, because the mean of its divisors is an integer number (3351023565568).

Almost surely, 2^{22021012002212} is an apocalyptic number.

It is an amenable number.

22021012002212 is a deficient number, since it is larger than the sum of its proper divisors (18191270784604).

22021012002212 is a wasteful number, since it uses less digits than its factorization.

22021012002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239358826138 (or 239358826136 counting only the distinct ones).

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

Adding to 22021012002212 its reverse (21220021012022), we get a palindrome (43241033014234).

The spelling of 22021012002212 in words is "twenty-two trillion, twenty-one billion, twelve million, two thousand, two hundred twelve".