3212001778 has 16 divisors (see below), whose sum is σ = 4992684480. Its totient is φ = 1547963536.

The previous prime is 3212001769. The next prime is 3212001799. The reversal of 3212001778 is 8771002123.

It is a super-2 number, since 2×3212001778² = 20633910843750322568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13126 + ... + 81217.

It is an arithmetic number, because the mean of its divisors is an integer number (312042780).

Almost surely, 2^3212001778 is an apocalyptic number.

3212001778 is a deficient number, since it is larger than the sum of its proper divisors (1780682702).

3212001778 is a wasteful number, since it uses less digits than its factorization.

3212001778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94961.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 3212001778 is about 56674.5249472812. The cubic root of 3212001778 is about 1475.4525897158.

The spelling of 3212001778 in words is "three billion, two hundred twelve million, one thousand, seven hundred seventy-eight".