3123020333212 has 24 divisors (see below), whose sum is σ = 5899348107072. Its totient is φ = 1438049688000.

The previous prime is 3123020333207. The next prime is 3123020333269. The reversal of 3123020333212 is 2123330203213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69650539 + ... + 69695362.

It is an arithmetic number, because the mean of its divisors is an integer number (245806171128).

Almost surely, 2^{3123020333212} is an apocalyptic number.

It is an amenable number.

3123020333212 is a deficient number, since it is larger than the sum of its proper divisors (2776327773860).

3123020333212 is a wasteful number, since it uses less digits than its factorization.

3123020333212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139346349 (or 139346347 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 3123020333212 its reverse (2123330203213), we get a palindrome (5246350536425).

The spelling of 3123020333212 in words is "three trillion, one hundred twenty-three billion, twenty million, three hundred thirty-three thousand, two hundred twelve".