10122000002120 has 32 divisors (see below), whose sum is σ = 22812394401720. Its totient is φ = 4042063219200.

The previous prime is 10122000002113. The next prime is 10122000002129. The reversal of 10122000002120 is 2120000022101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7820110230916 + 2301889771204 = 2796446^2 + 1517198^2 .

It is not an unprimeable number, because it can be changed into a prime (10122000002129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210500087 + ... + 210548166.

Almost surely, 2^{10122000002120} is an apocalyptic number.

10122000002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10122000002120 is an abundant number, since it is smaller than the sum of its proper divisors (12690394399600).

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

10122000002120 is a wasteful number, since it uses less digits than its factorization.

10122000002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421048865 (or 421048861 counting only the distinct ones).

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

Adding to 10122000002120 its reverse (2120000022101), we get a palindrome (12242000024221).

The spelling of 10122000002120 in words is "ten trillion, one hundred twenty-two billion, two thousand, one hundred twenty".