12235405524412 has 48 divisors (see below), whose sum is σ = 24513911896320. Its totient is φ = 5234513219712.

The previous prime is 12235405524347. The next prime is 12235405524437. The reversal of 12235405524412 is 21442550453221.

It is a congruent number.

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, 77733463 + ... + 77890705.

It is an arithmetic number, because the mean of its divisors is an integer number (510706497840).

Almost surely, 2^{12235405524412} is an apocalyptic number.

It is an amenable number.

12235405524412 is an abundant number, since it is smaller than the sum of its proper divisors (12278506371908).

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

12235405524412 is a wasteful number, since it uses less digits than its factorization.

12235405524412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162130 (or 162128 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 12235405524412 its reverse (21442550453221), we get a palindrome (33677955977633).

The spelling of 12235405524412 in words is "twelve trillion, two hundred thirty-five billion, four hundred five million, five hundred twenty-four thousand, four hundred twelve".