23121231401412 has 60 divisors (see below), whose sum is σ = 62527723515180. Its totient is φ = 7441315850304.

The previous prime is 23121231401381. The next prime is 23121231401447. The reversal of 23121231401412 is 21410413212132.

23121231401412 is a `hidden beast` number, since 2 + 3 + 1 + 21 + 231 + 401 + 4 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9824312909376 + 13296918492036 = 3134376^2 + 3646494^2 .

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

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 1230366903 + ... + 1230385694.

It is an arithmetic number, because the mean of its divisors is an integer number (1042128725253).

Almost surely, 2^{23121231401412} is an apocalyptic number.

It is an amenable number.

23121231401412 is an abundant number, since it is smaller than the sum of its proper divisors (39406492113768).

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

23121231401412 is a wasteful number, since it uses less digits than its factorization.

23121231401412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460752642 (or 2460752631 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 23121231401412 its reverse (21410413212132), we get a palindrome (44531644613544).

The spelling of 23121231401412 in words is "twenty-three trillion, one hundred twenty-one billion, two hundred thirty-one million, four hundred one thousand, four hundred twelve".