3123210001222 has 16 divisors (see below), whose sum is σ = 4975378452432. Its totient is φ = 1465305557760.

The previous prime is 3123210001201. The next prime is 3123210001229. The reversal of 3123210001222 is 2221000123213.

It is a self number, because there is not a number n which added to its sum of digits gives 3123210001222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123210001229) 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 7 ways as a sum of consecutive naturals, for example, 138748743 + ... + 138771250.

It is an arithmetic number, because the mean of its divisors is an integer number (310961153277).

Almost surely, 2^{3123210001222} is an apocalyptic number.

3123210001222 is a deficient number, since it is larger than the sum of its proper divisors (1852168451210).

3123210001222 is a wasteful number, since it uses less digits than its factorization.

3123210001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277520343.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 3123210001222 its reverse (2221000123213), we get a palindrome (5344210124435).

The spelling of 3123210001222 in words is "three trillion, one hundred twenty-three billion, two hundred ten million, one thousand, two hundred twenty-two".