10012000122 has 24 divisors (see below), whose sum is σ = 21697034580. Its totient is φ = 3336661440.

The previous prime is 10012000093. The next prime is 10012000127. The reversal of 10012000122 is 22100021001.

It can be written as a sum of positive squares in 2 ways, for example, as 6709084281 + 3302915841 = 81909^2 + 57471^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10012000127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40372 + ... + 147152.

Almost surely, 2^10012000122 is an apocalyptic number.

10012000122 is an abundant number, since it is smaller than the sum of its proper divisors (11685034458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10012000122 is a wasteful number, since it uses less digits than its factorization.

10012000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111998 (or 111995 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10012000122 its reverse (22100021001), we get a palindrome (32112021123).

The spelling of 10012000122 in words is "ten billion, twelve million, one hundred twenty-two", and thus it is an aban number.