12400542223 has 8 divisors (see below), whose sum is σ = 13125323120. Its totient is φ = 11682973440.

The previous prime is 12400542211. The next prime is 12400542239. The reversal of 12400542223 is 32224500421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12400542223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12400542293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1799490 + ... + 1806367.

It is an arithmetic number, because the mean of its divisors is an integer number (1640665390).

Almost surely, 2^12400542223 is an apocalyptic number.

12400542223 is a deficient number, since it is larger than the sum of its proper divisors (724780897).

12400542223 is a wasteful number, since it uses less digits than its factorization.

12400542223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606057.

The product of its (nonzero) digits is 3840, while the sum is 25.

The spelling of 12400542223 in words is "twelve billion, four hundred million, five hundred forty-two thousand, two hundred twenty-three".