12500219669 has 32 divisors (see below), whose sum is σ = 14821678080. Its totient is φ = 10320613632.

The previous prime is 12500219639. The next prime is 12500219671. The reversal of 12500219669 is 96691200521.

It is not a de Polignac number, because 12500219669 - 2¹² = 12500215573 is a prime.

It is a super-2 number, since 2×12500219669² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12500219639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7720142 + ... + 7721760.

It is an arithmetic number, because the mean of its divisors is an integer number (463177440).

Almost surely, 2^12500219669 is an apocalyptic number.

It is an amenable number.

12500219669 is a deficient number, since it is larger than the sum of its proper divisors (2321458411).

12500219669 is a wasteful number, since it uses less digits than its factorization.

12500219669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009.

The product of its (nonzero) digits is 58320, while the sum is 41.

The spelling of 12500219669 in words is "twelve billion, five hundred million, two hundred nineteen thousand, six hundred sixty-nine".