3121120002 has 64 divisors (see below), whose sum is σ = 8381205504. Its totient is φ = 748319040.

The previous prime is 3121119997. The next prime is 3121120031. The reversal of 3121120002 is 2000211213.

It is a self number, because there is not a number n which added to its sum of digits gives 3121120002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253828 + ... + 265839.

It is an arithmetic number, because the mean of its divisors is an integer number (130956336).

Almost surely, 2^3121120002 is an apocalyptic number.

3121120002 is an abundant number, since it is smaller than the sum of its proper divisors (5260085502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121120002 is a wasteful number, since it uses less digits than its factorization.

3121120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519703.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 3121120002 is about 55866.9849016394. The cubic root of 3121120002 is about 1461.4035420873.

Adding to 3121120002 its reverse (2000211213), we get a palindrome (5121331215).

The spelling of 3121120002 in words is "three billion, one hundred twenty-one million, one hundred twenty thousand, two".