23012452512 has 720 divisors, whose sum is σ = 83217546720. Its totient is φ = 6213086208.

The previous prime is 23012452469. The next prime is 23012452513. The reversal of 23012452512 is 21525421032.

23012452512 is a `hidden beast` number, since 2 + 3 + 0 + 124 + 525 + 12 = 666.

It is a super-2 number, since 2×23012452512² (a number of 22 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (23012452513) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 277258423 + ... + 277258505.

It is an arithmetic number, because the mean of its divisors is an integer number (115579926).

Almost surely, 2^23012452512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23012452512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41608773360).

23012452512 is an abundant number, since it is smaller than the sum of its proper divisors (60205094208).

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

23012452512 is a wasteful number, since it uses less digits than its factorization.

23012452512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 23012452512 its reverse (21525421032), we get a palindrome (44537873544).

The spelling of 23012452512 in words is "twenty-three billion, twelve million, four hundred fifty-two thousand, five hundred twelve".