20122231210122 has 16 divisors (see below), whose sum is σ = 40282109264160. Its totient is φ = 6701135929392.

The previous prime is 20122231210117. The next prime is 20122231210139. The reversal of 20122231210122 is 22101213222102.

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, 1568611548 + ... + 1568624375.

It is an arithmetic number, because the mean of its divisors is an integer number (2517631829010).

Almost surely, 2^{20122231210122} is an apocalyptic number.

20122231210122 is an abundant number, since it is smaller than the sum of its proper divisors (20159878054038).

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

20122231210122 is a wasteful number, since it uses less digits than its factorization.

20122231210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137236997.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 20122231210122 its reverse (22101213222102), we get a palindrome (42223444432224).

The spelling of 20122231210122 in words is "twenty trillion, one hundred twenty-two billion, two hundred thirty-one million, two hundred ten thousand, one hundred twenty-two".