10202110122212 has 36 divisors (see below), whose sum is σ = 18970110356484. Its totient is φ = 4799873372160.

The previous prime is 10202110122173. The next prime is 10202110122227. The reversal of 10202110122212 is 21222101120201.

It can be written as a sum of positive squares in 6 ways, for example, as 1697981000356 + 8504129121856 = 1303066^2 + 2916184^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3940412 + ... + 5994252.

Almost surely, 2^{10202110122212} is an apocalyptic number.

It is an amenable number.

10202110122212 is a deficient number, since it is larger than the sum of its proper divisors (8768000234272).

10202110122212 is a wasteful number, since it uses less digits than its factorization.

10202110122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058176 (or 2058157 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10202110122212 its reverse (21222101120201), we get a palindrome (31424211242413).

The spelling of 10202110122212 in words is "ten trillion, two hundred two billion, one hundred ten million, one hundred twenty-two thousand, two hundred twelve".