23012130012 has 24 divisors (see below), whose sum is σ = 54050570112. Its totient is φ = 7619910000.

The previous prime is 23012129977. The next prime is 23012130017. The reversal of 23012130012 is 21003121032.

It is a super-2 number, since 2×23012130012² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23012129973 and 23012130000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012130017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6348114 + ... + 6351737.

It is an arithmetic number, because the mean of its divisors is an integer number (2252107088).

Almost surely, 2^23012130012 is an apocalyptic number.

It is an amenable number.

23012130012 is an abundant number, since it is smaller than the sum of its proper divisors (31038440100).

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

23012130012 is a wasteful number, since it uses less digits than its factorization.

23012130012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12700009 (or 12700007 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23012130012 its reverse (21003121032), we get a palindrome (44015251044).

The spelling of 23012130012 in words is "twenty-three billion, twelve million, one hundred thirty thousand, twelve".