2123242013412 has 144 divisors (see below), whose sum is σ = 5997631610880. Its totient is φ = 628919942400.

The previous prime is 2123242013393. The next prime is 2123242013413. The reversal of 2123242013412 is 2143102423212.

2123242013412 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 242 + 0 + 1 + 3 + 412 = 666.

It is not an unprimeable number, because it can be changed into a prime (2123242013413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2387914 + ... + 3154142.

It is an arithmetic number, because the mean of its divisors is an integer number (41650219520).

Almost surely, 2^{2123242013412} 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 2123242013412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2998815805440).

2123242013412 is an abundant number, since it is smaller than the sum of its proper divisors (3874389597468).

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

2123242013412 is a wasteful number, since it uses less digits than its factorization.

2123242013412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766474 (or 766469 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 2123242013412 its reverse (2143102423212), we get a palindrome (4266344436624).

The spelling of 2123242013412 in words is "two trillion, one hundred twenty-three billion, two hundred forty-two million, thirteen thousand, four hundred twelve".