3121223301222 has 64 divisors (see below), whose sum is σ = 6895529699520. Its totient is φ = 935966016000.

The previous prime is 3121223301143. The next prime is 3121223301247. The reversal of 3121223301222 is 2221033221213.

It is a junction number, because it is equal to n+sod(n) for n = 3121223301192 and 3121223301201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2490529 + ... + 3527772.

It is an arithmetic number, because the mean of its divisors is an integer number (107742651555).

Almost surely, 2^{3121223301222} is an apocalyptic number.

3121223301222 is an abundant number, since it is smaller than the sum of its proper divisors (3774306398298).

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

3121223301222 is a wasteful number, since it uses less digits than its factorization.

3121223301222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6018489.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 3121223301222 its reverse (2221033221213), we get a palindrome (5342256522435).

The spelling of 3121223301222 in words is "three trillion, one hundred twenty-one billion, two hundred twenty-three million, three hundred one thousand, two hundred twenty-two".