3990022212002 has 8 divisors (see below), whose sum is σ = 5992252902300. Its totient is φ = 1992604577904.

The previous prime is 3990022211977. The next prime is 3990022212023. The reversal of 3990022212002 is 2002122200993.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3985537097161 + 4485114841 = 1996381^2 + 66971^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 3990022212002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1203261977 + ... + 1203265292.

Almost surely, 2^{3990022212002} is an apocalyptic number.

3990022212002 is a deficient number, since it is larger than the sum of its proper divisors (2002230690298).

3990022212002 is a wasteful number, since it uses less digits than its factorization.

3990022212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406528100.

The product of its (nonzero) digits is 7776, while the sum is 32.

Adding to 3990022212002 its reverse (2002122200993), we get a palindrome (5992144412995).

It can be divided in two parts, 3990022 and 212002, that added together give a palindrome (4202024).

The spelling of 3990022212002 in words is "three trillion, nine hundred ninety billion, twenty-two million, two hundred twelve thousand, two".