10202012122 has 8 divisors (see below), whose sum is σ = 15355247796. Its totient is φ = 5083596192.

The previous prime is 10202012113. The next prime is 10202012123. The reversal of 10202012122 is 22121020201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8417879001 + 1784133121 = 91749^2 + 42239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (10202012123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8704203 + ... + 8705374.

Almost surely, 2^10202012122 is an apocalyptic number.

10202012122 is a deficient number, since it is larger than the sum of its proper divisors (5153235674).

10202012122 is a wasteful number, since it uses less digits than its factorization.

10202012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17409872.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10202012122 its reverse (22121020201), we get a palindrome (32323032323).

The spelling of 10202012122 in words is "ten billion, two hundred two million, twelve thousand, one hundred twenty-two".