12452451612 has 48 divisors (see below), whose sum is σ = 29889216000. Its totient is φ = 4032595840.

The previous prime is 12452451593. The next prime is 12452451619. The reversal of 12452451612 is 21615425421.

It is a happy number.

12452451612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12452451612² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12452451619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64639 + ... + 170537.

It is an arithmetic number, because the mean of its divisors is an integer number (622692000).

Almost surely, 2^12452451612 is an apocalyptic number.

12452451612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12452451612 is an abundant number, since it is smaller than the sum of its proper divisors (17436764388).

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

12452451612 is a wasteful number, since it uses less digits than its factorization.

12452451612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106186 (or 106184 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The spelling of 12452451612 in words is "twelve billion, four hundred fifty-two million, four hundred fifty-one thousand, six hundred twelve".