3123303212001 has 128 divisors (see below), whose sum is σ = 5336929382400. Its totient is φ = 1581645864960.

The previous prime is 3123303211957. The next prime is 3123303212083. The reversal of 3123303212001 is 1002123033213.

It is not a de Polignac number, because 3123303212001 - 2⁶ = 3123303211937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (3123303212201) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1844832711 + ... + 1844834403.

It is an arithmetic number, because the mean of its divisors is an integer number (41694760800).

Almost surely, 2^{3123303212001} is an apocalyptic number.

It is an amenable number.

3123303212001 is a deficient number, since it is larger than the sum of its proper divisors (2213626170399).

3123303212001 is a wasteful number, since it uses less digits than its factorization.

3123303212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 3123303212001 its reverse (1002123033213), we get a palindrome (4125426245214).

The spelling of 3123303212001 in words is "three trillion, one hundred twenty-three billion, three hundred three million, two hundred twelve thousand, one".