12240134412 has 48 divisors (see below), whose sum is σ = 31328903424. Its totient is φ = 3688632000.

The previous prime is 12240134407. The next prime is 12240134461. The reversal of 12240134412 is 21443104221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232264 + ... + 280047.

It is an arithmetic number, because the mean of its divisors is an integer number (652685488).

Almost surely, 2^12240134412 is an apocalyptic number.

12240134412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12240134412 is an abundant number, since it is smaller than the sum of its proper divisors (19088769012).

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

12240134412 is a wasteful number, since it uses less digits than its factorization.

12240134412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512510 (or 512508 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12240134412 its reverse (21443104221), we get a palindrome (33683238633).

The spelling of 12240134412 in words is "twelve billion, two hundred forty million, one hundred thirty-four thousand, four hundred twelve".