10020012212122 has 48 divisors (see below), whose sum is σ = 17516732526720. Its totient is φ = 4280673034880.

The previous prime is 10020012212113. The next prime is 10020012212137. The reversal of 10020012212122 is 22121221002001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10020012212096 and 10020012212105.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1264233 + ... + 4651699.

It is an arithmetic number, because the mean of its divisors is an integer number (364931927640).

Almost surely, 2^{10020012212122} is an apocalyptic number.

10020012212122 is a deficient number, since it is larger than the sum of its proper divisors (7496720314598).

10020012212122 is a wasteful number, since it uses less digits than its factorization.

10020012212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388227 (or 3388216 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10020012212122 its reverse (22121221002001), we get a palindrome (32141233214123).

It can be divided in two parts, 1002001 and 2212122, that multiplied together give a palindrome (2216548456122).

The spelling of 10020012212122 in words is "ten trillion, twenty billion, twelve million, two hundred twelve thousand, one hundred twenty-two".