3990220212122 has 8 divisors (see below), whose sum is σ = 6191721018900. Its totient is φ = 1926313205824.

The previous prime is 3990220212059. The next prime is 3990220212137. The reversal of 3990220212122 is 2212120220993.

It can be written as a sum of positive squares in 2 ways, for example, as 3869407660561 + 120812551561 = 1967081^2 + 347581^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 34398450047 + ... + 34398450162.

Almost surely, 2^{3990220212122} is an apocalyptic number.

3990220212122 is a deficient number, since it is larger than the sum of its proper divisors (2201500806778).

3990220212122 is a wasteful number, since it uses less digits than its factorization.

3990220212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68796900240.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 3990220212122 in words is "three trillion, nine hundred ninety billion, two hundred twenty million, two hundred twelve thousand, one hundred twenty-two".