3120002000212 has 6 divisors (see below), whose sum is σ = 5460003500378. Its totient is φ = 1560001000104.

The previous prime is 3120002000197. The next prime is 3120002000221. The reversal of 3120002000212 is 2120002000213.

It can be written as a sum of positive squares in only one way, i.e., 3101247793296 + 18754206916 = 1761036^2 + 136946^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3120002000192 and 3120002000201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390000250023 + ... + 390000250030.

Almost surely, 2^{3120002000212} is an apocalyptic number.

It is an amenable number.

3120002000212 is a deficient number, since it is larger than the sum of its proper divisors (2340001500166).

3120002000212 is a wasteful number, since it uses less digits than its factorization.

3120002000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780000500057 (or 780000500055 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 3120002000212 its reverse (2120002000213), we get a palindrome (5240004000425).

Subtracting from 3120002000212 its reverse (2120002000213), we obtain a palindrome (999999999999).

The spelling of 3120002000212 in words is "three trillion, one hundred twenty billion, two million, two hundred twelve", and thus it is an aban number.