12451551133 has 16 divisors (see below), whose sum is σ = 14625080064. Its totient is φ = 10377106560.

The previous prime is 12451551127. The next prime is 12451551139. The reversal of 12451551133 is 33115515421.

It is an interprime number because it is at equal distance from previous prime (12451551127) and next prime (12451551139).

It is a cyclic number.

It is not a de Polignac number, because 12451551133 - 2¹⁷ = 12451420061 is a prime.

It is a super-2 number, since 2×12451551133² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12451551095 and 12451551104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12451551139) 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, 375441 + ... + 407257.

It is an arithmetic number, because the mean of its divisors is an integer number (914067504).

Almost surely, 2^12451551133 is an apocalyptic number.

It is an amenable number.

12451551133 is a deficient number, since it is larger than the sum of its proper divisors (2173528931).

12451551133 is a wasteful number, since it uses less digits than its factorization.

12451551133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33372.

The product of its digits is 9000, while the sum is 31.

The spelling of 12451551133 in words is "twelve billion, four hundred fifty-one million, five hundred fifty-one thousand, one hundred thirty-three".