12293951547 has 8 divisors (see below), whose sum is σ = 16447881744. Its totient is φ = 8167994528.

The previous prime is 12293951533. The next prime is 12293951561. The reversal of 12293951547 is 74515939221.

It is an interprime number because it is at equal distance from previous prime (12293951533) and next prime (12293951561).

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

It is a cyclic number.

It is not a de Polignac number, because 12293951547 - 2⁸ = 12293951291 is a prime.

It is a super-2 number, since 2×12293951547² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12293951496 and 12293951505.

It is not an unprimeable number, because it can be changed into a prime (12293951567) 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, 6992268 + ... + 6994025.

It is an arithmetic number, because the mean of its divisors is an integer number (2055985218).

Almost surely, 2^12293951547 is an apocalyptic number.

12293951547 is a deficient number, since it is larger than the sum of its proper divisors (4153930197).

12293951547 is a wasteful number, since it uses less digits than its factorization.

12293951547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13986589.

The product of its digits is 680400, while the sum is 48.

The spelling of 12293951547 in words is "twelve billion, two hundred ninety-three million, nine hundred fifty-one thousand, five hundred forty-seven".