331201212311222 has 16 divisors (see below), whose sum is σ = 542021823502272. Its totient is φ = 150530393552520.

The previous prime is 331201212311191. The next prime is 331201212311273. The reversal of 331201212311222 is 222113212102133.

It is a junction number, because it is equal to n+sod(n) for n = 331201212311191 and 331201212311200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780385208 + ... + 780809499.

It is an arithmetic number, because the mean of its divisors is an integer number (33876363968892).

Almost surely, 2^{331201212311222} is an apocalyptic number.

331201212311222 is a deficient number, since it is larger than the sum of its proper divisors (210820611191050).

331201212311222 is a wasteful number, since it uses less digits than its factorization.

331201212311222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561204363.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 331201212311222 its reverse (222113212102133), we get a palindrome (553314424413355).

The spelling of 331201212311222 in words is "three hundred thirty-one trillion, two hundred one billion, two hundred twelve million, three hundred eleven thousand, two hundred twenty-two".