3123220001004 has 48 divisors (see below), whose sum is σ = 8172912182400. Its totient is φ = 1031343672528.

The previous prime is 3123220001003. The next prime is 3123220001017. The reversal of 3123220001004 is 4001000223213.

It is a super-2 number, since 2×3123220001004² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (3123220001003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135122574 + ... + 135145685.

It is an arithmetic number, because the mean of its divisors is an integer number (170269003800).

Almost surely, 2^{3123220001004} is an apocalyptic number.

It is an amenable number.

3123220001004 is an abundant number, since it is smaller than the sum of its proper divisors (5049692181396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3123220001004 is a wasteful number, since it uses less digits than its factorization.

3123220001004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270268379 (or 270268371 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 3123220001004 its reverse (4001000223213), we get a palindrome (7124220224217).

The spelling of 3123220001004 in words is "three trillion, one hundred twenty-three billion, two hundred twenty million, one thousand, four".