3215132315123 has 4 divisors (see below), whose sum is σ = 3215210871600. Its totient is φ = 3215053758648.

The previous prime is 3215132315089. The next prime is 3215132315137.

3215132315123 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3215132315123 - 2¹⁰ = 3215132314099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3215132315123.

It is not an unprimeable number, because it can be changed into a prime (3215132315173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39216815 + ... + 39298712.

It is an arithmetic number, because the mean of its divisors is an integer number (803802717900).

Almost surely, 2^{3215132315123} is an apocalyptic number.

3215132315123 is a deficient number, since it is larger than the sum of its proper divisors (78556477).

3215132315123 is an equidigital number, since it uses as much as digits as its factorization.

3215132315123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78556476.

The product of its digits is 16200, while the sum is 32.

The spelling of 3215132315123 in words is "three trillion, two hundred fifteen billion, one hundred thirty-two million, three hundred fifteen thousand, one hundred twenty-three".