331201032222212 has 24 divisors (see below), whose sum is σ = 580910552973240. Its totient is φ = 165226639011840.

The previous prime is 331201032222191. The next prime is 331201032222233. The reversal of 331201032222212 is 212222230102133.

It is an interprime number because it is at equal distance from previous prime (331201032222191) and next prime (331201032222233).

It can be written as a sum of positive squares in 4 ways, for example, as 203206564542916 + 127994467679296 = 14255054^2 + 11313464^2 .

It is a super-2 number, since 2×331201032222212² (a number of 30 digits) contains 22 as substring.

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, 19961912 + ... + 32571152.

It is an arithmetic number, because the mean of its divisors is an integer number (24204606373885).

Almost surely, 2^{331201032222212} is an apocalyptic number.

It is an amenable number.

331201032222212 is a deficient number, since it is larger than the sum of its proper divisors (249709520751028).

331201032222212 is a wasteful number, since it uses less digits than its factorization.

331201032222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12624071 (or 12624069 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 331201032222212 its reverse (212222230102133), we get a palindrome (543423262324345).

The spelling of 331201032222212 in words is "three hundred thirty-one trillion, two hundred one billion, thirty-two million, two hundred twenty-two thousand, two hundred twelve".