2112120002 has 8 divisors (see below), whose sum is σ = 3245452812. Its totient is φ = 1030302400.

The previous prime is 2112119959. The next prime is 2112120019. The reversal of 2112120002 is 2000212112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2090226961 + 21893041 = 45719^2 + 4679^2 .

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

It is a super-2 number, since 2×2112120002² = 8922101805696960008, which contains 22 as substring.

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, 12878699 + ... + 12878862.

Almost surely, 2^2112120002 is an apocalyptic number.

2112120002 is a deficient number, since it is larger than the sum of its proper divisors (1133332810).

2112120002 is a wasteful number, since it uses less digits than its factorization.

2112120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25757604.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2112120002 is about 45957.8067579383. The cubic root of 2112120002 is about 1283.0380314456.

Adding to 2112120002 its reverse (2000212112), we get a palindrome (4112332114).

The spelling of 2112120002 in words is "two billion, one hundred twelve million, one hundred twenty thousand, two".