3221012131123 has 16 divisors (see below), whose sum is σ = 3517004445696. Its totient is φ = 2940738419520.

The previous prime is 3221012131087. The next prime is 3221012131133. The reversal of 3221012131123 is 3211312101223.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3221012131123 is a prime.

It is a super-2 number, since 2×3221012131123² (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 = 3221012131094 and 3221012131103.

It is not an unprimeable number, because it can be changed into a prime (3221012131133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30890065 + ... + 30994162.

It is an arithmetic number, because the mean of its divisors is an integer number (219812777856).

Almost surely, 2^{3221012131123} is an apocalyptic number.

3221012131123 is a deficient number, since it is larger than the sum of its proper divisors (295992314573).

3221012131123 is a wasteful number, since it uses less digits than its factorization.

3221012131123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61884354.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 3221012131123 its reverse (3211312101223), we get a palindrome (6432324232346).

The spelling of 3221012131123 in words is "three trillion, two hundred twenty-one billion, twelve million, one hundred thirty-one thousand, one hundred twenty-three".