1212956674 has 4 divisors (see below), whose sum is σ = 1819435014. Its totient is φ = 606478336.

The previous prime is 1212956663. The next prime is 1212956707. The reversal of 1212956674 is 4766592121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1207076049 + 5880625 = 34743^2 + 2425^2 .

It is a super-2 number, since 2×1212956674² = 2942527786002284552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1212956674.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303239167 + ... + 303239170.

Almost surely, 2^1212956674 is an apocalyptic number.

1212956674 is a deficient number, since it is larger than the sum of its proper divisors (606478340).

1212956674 is an equidigital number, since it uses as much as digits as its factorization.

1212956674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606478339.

The product of its digits is 181440, while the sum is 43.

The square root of 1212956674 is about 34827.5275321117. The cubic root of 1212956674 is about 1066.4694752451.

The spelling of 1212956674 in words is "one billion, two hundred twelve million, nine hundred fifty-six thousand, six hundred seventy-four".