3111404221212 has 48 divisors (see below), whose sum is σ = 8298144352512. Its totient is φ = 888858374400.

The previous prime is 3111404221187. The next prime is 3111404221217. The reversal of 3111404221212 is 2121224041113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111404221217) 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, 1721914 + ... + 3031137.

It is an arithmetic number, because the mean of its divisors is an integer number (172878007344).

Almost surely, 2^{3111404221212} is an apocalyptic number.

It is an amenable number.

3111404221212 is an abundant number, since it is smaller than the sum of its proper divisors (5186740131300).

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

3111404221212 is a wasteful number, since it uses less digits than its factorization.

3111404221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4760858 (or 4760856 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 3111404221212 its reverse (2121224041113), we get a palindrome (5232628262325).

The spelling of 3111404221212 in words is "three trillion, one hundred eleven billion, four hundred four million, two hundred twenty-one thousand, two hundred twelve".