3213120123 has 32 divisors (see below), whose sum is σ = 4874388480. Its totient is φ = 2091277440.

The previous prime is 3213120121. The next prime is 3213120143. The reversal of 3213120123 is 3210213123.

It is not a de Polignac number, because 3213120123 - 2¹ = 3213120121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3213120096 and 3213120105.

It is not an unprimeable number, because it can be changed into a prime (3213120121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189315 + ... + 205587.

It is an arithmetic number, because the mean of its divisors is an integer number (152324640).

Almost surely, 2^3213120123 is an apocalyptic number.

3213120123 is a deficient number, since it is larger than the sum of its proper divisors (1661268357).

3213120123 is a wasteful number, since it uses less digits than its factorization.

3213120123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16456 (or 16450 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3213120123 is about 56684.3904703932. The cubic root of 3213120123 is about 1475.6238093760.

Adding to 3213120123 its reverse (3210213123), we get a palindrome (6423333246).

The spelling of 3213120123 in words is "three billion, two hundred thirteen million, one hundred twenty thousand, one hundred twenty-three".