10201012122 has 32 divisors (see below), whose sum is σ = 23329009152. Its totient is φ = 2913023664.

The previous prime is 10201012121. The next prime is 10201012139. The reversal of 10201012122 is 22121010201.

It is a junction number, because it is equal to n+sod(n) for n = 10201012098 and 10201012107.

It is not an unprimeable number, because it can be changed into a prime (10201012121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16413 + ... + 143775.

It is an arithmetic number, because the mean of its divisors is an integer number (729031536).

Almost surely, 2^10201012122 is an apocalyptic number.

10201012122 is an abundant number, since it is smaller than the sum of its proper divisors (13127997030).

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

10201012122 is a wasteful number, since it uses less digits than its factorization.

10201012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129282.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10201012122 its reverse (22121010201), we get a palindrome (32322022323).

The spelling of 10201012122 in words is "ten billion, two hundred one million, twelve thousand, one hundred twenty-two".