10122020012 has 24 divisors (see below), whose sum is σ = 19128129216. Its totient is φ = 4658963328.

The previous prime is 10122019993. The next prime is 10122020039. The reversal of 10122020012 is 21002022101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10122019975 and 10122020002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246113 + ... + 284280.

It is an arithmetic number, because the mean of its divisors is an integer number (797005384).

Almost surely, 2^10122020012 is an apocalyptic number.

It is an amenable number.

10122020012 is a deficient number, since it is larger than the sum of its proper divisors (9006109204).

10122020012 is a wasteful number, since it uses less digits than its factorization.

10122020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530777 (or 530775 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10122020012 its reverse (21002022101), we get a palindrome (31124042113).

The spelling of 10122020012 in words is "ten billion, one hundred twenty-two million, twenty thousand, twelve".