10122221012212 has 12 divisors (see below), whose sum is σ = 17716483021216. Its totient is φ = 5060368720440.

The previous prime is 10122221012209. The next prime is 10122221012237. The reversal of 10122221012212 is 21221012222101.

It is a super-2 number, since 2×10122221012212² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10122221012212.

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, 185415714 + ... + 185470297.

Almost surely, 2^{10122221012212} is an apocalyptic number.

It is an amenable number.

10122221012212 is a deficient number, since it is larger than the sum of its proper divisors (7594262009004).

10122221012212 is a wasteful number, since it uses less digits than its factorization.

10122221012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370892838 (or 370892836 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10122221012212 its reverse (21221012222101), we get a palindrome (31343233234313).

The spelling of 10122221012212 in words is "ten trillion, one hundred twenty-two billion, two hundred twenty-one million, twelve thousand, two hundred twelve".