121122413253 has 12 divisors (see below), whose sum is σ = 175050172128. Its totient is φ = 80704163880.

The previous prime is 121122413233. The next prime is 121122413261. The reversal of 121122413253 is 352314221121.

It is a happy number.

121122413253 is a `hidden beast` number, since 121 + 122 + 413 + 2 + 5 + 3 = 666.

It is not a de Polignac number, because 121122413253 - 2¹² = 121122409157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122413233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3658575 + ... + 3691532.

It is an arithmetic number, because the mean of its divisors is an integer number (14587514344).

Almost surely, 2^121122413253 is an apocalyptic number.

It is an amenable number.

121122413253 is a deficient number, since it is larger than the sum of its proper divisors (53927758875).

121122413253 is a wasteful number, since it uses less digits than its factorization.

121122413253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7351944 (or 7351941 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

Adding to 121122413253 its reverse (352314221121), we get a palindrome (473436634374).

The spelling of 121122413253 in words is "one hundred twenty-one billion, one hundred twenty-two million, four hundred thirteen thousand, two hundred fifty-three".