3212001321231 has 4 divisors (see below), whose sum is σ = 4282668428312. Its totient is φ = 2141334214152.

The previous prime is 3212001321197. The next prime is 3212001321233. The reversal of 3212001321231 is 1321231002123.

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

It is a de Polignac number, because none of the positive numbers 2^k-3212001321231 is a prime.

It is a super-2 number, since 2×3212001321231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3212001321198 and 3212001321207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212001321233) 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, 535333553536 + ... + 535333553541.

It is an arithmetic number, because the mean of its divisors is an integer number (1070667107078).

Almost surely, 2^{3212001321231} is an apocalyptic number.

3212001321231 is a deficient number, since it is larger than the sum of its proper divisors (1070667107081).

3212001321231 is a wasteful number, since it uses less digits than its factorization.

3212001321231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070667107080.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3212001321231 its reverse (1321231002123), we get a palindrome (4533232323354).

The spelling of 3212001321231 in words is "three trillion, two hundred twelve billion, one million, three hundred twenty-one thousand, two hundred thirty-one".