12199572001 has 2 divisors, whose sum is σ = 12199572002. Its totient is φ = 12199572000.

The previous prime is 12199571999. The next prime is 12199572019. The reversal of 12199572001 is 10027599121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9039445776 + 3160126225 = 95076^2 + 56215^2 .

It is a cyclic number.

It is not a de Polignac number, because 12199572001 - 2¹ = 12199571999 is a prime.

Together with 12199571999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12199572101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6099786000 + 6099786001.

It is an arithmetic number, because the mean of its divisors is an integer number (6099786001).

Almost surely, 2^12199572001 is an apocalyptic number.

It is an amenable number.

12199572001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12199572001 is an equidigital number, since it uses as much as digits as its factorization.

12199572001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 37.

The spelling of 12199572001 in words is "twelve billion, one hundred ninety-nine million, five hundred seventy-two thousand, one".