10202012020122 has 32 divisors (see below), whose sum is σ = 21974240010240. Its totient is φ = 3138984098880.

The previous prime is 10202012020111. The next prime is 10202012020127. The reversal of 10202012020122 is 22102021020201.

It is not an unprimeable number, because it can be changed into a prime (10202012020127) 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, 563047 + ... + 4552037.

It is an arithmetic number, because the mean of its divisors is an integer number (686695000320).

Almost surely, 2^{10202012020122} is an apocalyptic number.

10202012020122 is an abundant number, since it is smaller than the sum of its proper divisors (11772227990118).

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

10202012020122 is a wasteful number, since it uses less digits than its factorization.

10202012020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4021798.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10202012020122 its reverse (22102021020201), we get a palindrome (32304033040323).

The spelling of 10202012020122 in words is "ten trillion, two hundred two billion, twelve million, twenty thousand, one hundred twenty-two".