12551400213 has 8 divisors (see below), whose sum is σ = 18256582176. Its totient is φ = 7606909200.

The previous prime is 12551400193. The next prime is 12551400217. The reversal of 12551400213 is 31200415521.

It is a happy number.

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

It is not a de Polignac number, because 12551400213 - 2¹⁸ = 12551138069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12551400217) 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, 190172698 + ... + 190172763.

It is an arithmetic number, because the mean of its divisors is an integer number (2282072772).

Almost surely, 2^12551400213 is an apocalyptic number.

It is an amenable number.

12551400213 is a deficient number, since it is larger than the sum of its proper divisors (5705181963).

12551400213 is a wasteful number, since it uses less digits than its factorization.

12551400213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380345475.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 12551400213 its reverse (31200415521), we get a palindrome (43751815734).

The spelling of 12551400213 in words is "twelve billion, five hundred fifty-one million, four hundred thousand, two hundred thirteen".