12986349962 has 8 divisors (see below), whose sum is σ = 19482472836. Its totient is φ = 6492192352.

The previous prime is 12986349911. The next prime is 12986349967. The reversal of 12986349962 is 26994368921.

It can be written as a sum of positive squares in 2 ways, for example, as 8203106041 + 4783243921 = 90571^2 + 69161^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12986349967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474683 + ... + 501294.

Almost surely, 2^12986349962 is an apocalyptic number.

12986349962 is a deficient number, since it is larger than the sum of its proper divisors (6496122874).

12986349962 is an equidigital number, since it uses as much as digits as its factorization.

12986349962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982632.

The product of its digits is 10077696, while the sum is 59.

The spelling of 12986349962 in words is "twelve billion, nine hundred eighty-six million, three hundred forty-nine thousand, nine hundred sixty-two".