3213012123 has 32 divisors (see below), whose sum is σ = 4797112320. Its totient is φ = 2125379520.

The previous prime is 3213012079. The next prime is 3213012137. The reversal of 3213012123 is 3212103123.

3213012123 is a `hidden beast` number, since 321 + 301 + 21 + 23 = 666.

It is not a de Polignac number, because 3213012123 - 2⁶ = 3213012059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3213012096 and 3213012105.

It is not an unprimeable number, because it can be changed into a prime (3213012193) 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, 3748711 + ... + 3749567.

It is an arithmetic number, because the mean of its divisors is an integer number (149909760).

Almost surely, 2^3213012123 is an apocalyptic number.

3213012123 is a deficient number, since it is larger than the sum of its proper divisors (1584100197).

3213012123 is a wasteful number, since it uses less digits than its factorization.

3213012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784 (or 1778 counting only the distinct ones).

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

The square root of 3213012123 is about 56683.4378191725. The cubic root of 3213012123 is about 1475.6072762088.

Adding to 3213012123 its reverse (3212103123), we get a palindrome (6425115246).

It can be divided in two parts, 32130 and 12123, that added together give a triangular number (44253 = T₂₉₇).

The spelling of 3213012123 in words is "three billion, two hundred thirteen million, twelve thousand, one hundred twenty-three".