12210056674 has 4 divisors (see below), whose sum is σ = 18315085014. Its totient is φ = 6105028336.

The previous prime is 12210056671. The next prime is 12210056689. The reversal of 12210056674 is 47665001221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47665001221 = 15073 ⋅3162277.

It can be written as a sum of positive squares in only one way, i.e., 8728230625 + 3481826049 = 93425^2 + 59007^2 .

It is not an unprimeable number, because it can be changed into a prime (12210056671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3052514167 + ... + 3052514170.

Almost surely, 2^12210056674 is an apocalyptic number.

12210056674 is a deficient number, since it is larger than the sum of its proper divisors (6105028340).

12210056674 is an equidigital number, since it uses as much as digits as its factorization.

12210056674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105028339.

The product of its (nonzero) digits is 20160, while the sum is 34.

Adding to 12210056674 its reverse (47665001221), we get a palindrome (59875057895).

The spelling of 12210056674 in words is "twelve billion, two hundred ten million, fifty-six thousand, six hundred seventy-four".