3123212133143 has 4 divisors (see below), whose sum is σ = 3145681285320. Its totient is φ = 3100742980968.

The previous prime is 3123212133133. The next prime is 3123212133227. The reversal of 3123212133143 is 3413312123213.

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 3123212133143 - 2¹⁶ = 3123212067607 is a prime.

It is a super-2 number, since 2×3123212133143² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123212133133) 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, 11234575880 + ... + 11234576157.

It is an arithmetic number, because the mean of its divisors is an integer number (786420321330).

Almost surely, 2^{3123212133143} is an apocalyptic number.

3123212133143 is a deficient number, since it is larger than the sum of its proper divisors (22469152177).

3123212133143 is a wasteful number, since it uses less digits than its factorization.

3123212133143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22469152176.

The product of its digits is 7776, while the sum is 29.

Adding to 3123212133143 its reverse (3413312123213), we get a palindrome (6536524256356).

The spelling of 3123212133143 in words is "three trillion, one hundred twenty-three billion, two hundred twelve million, one hundred thirty-three thousand, one hundred forty-three".