12633253101 has 32 divisors (see below), whose sum is σ = 21967745280. Its totient is φ = 7023889728.

The previous prime is 12633253097. The next prime is 12633253109. The reversal of 12633253101 is 10135233621.

12633253101 is a `hidden beast` number, since 1 + 2 + 633 + 25 + 3 + 1 + 0 + 1 = 666.

It is not a de Polignac number, because 12633253101 - 2² = 12633253097 is a prime.

It is a super-2 number, since 2×12633253101² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12633253109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 896286 + ... + 910271.

It is an arithmetic number, because the mean of its divisors is an integer number (686492040).

Almost surely, 2^12633253101 is an apocalyptic number.

It is an amenable number.

12633253101 is a deficient number, since it is larger than the sum of its proper divisors (9334492179).

12633253101 is a wasteful number, since it uses less digits than its factorization.

12633253101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806610 (or 1806604 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 12633253101 its reverse (10135233621), we get a palindrome (22768486722).

The spelling of 12633253101 in words is "twelve billion, six hundred thirty-three million, two hundred fifty-three thousand, one hundred one".