331210222021212 has 48 divisors (see below), whose sum is σ = 774344409269760. Its totient is φ = 110186208171648.

The previous prime is 331210222021207. The next prime is 331210222021277. The reversal of 331210222021212 is 212120222012133.

It is a super-2 number, since 2×331210222021212² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112576333 + ... + 115480955.

It is an arithmetic number, because the mean of its divisors is an integer number (16132175193120).

Almost surely, 2^{331210222021212} is an apocalyptic number.

It is an amenable number.

331210222021212 is an abundant number, since it is smaller than the sum of its proper divisors (443134187248548).

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

331210222021212 is a wasteful number, since it uses less digits than its factorization.

331210222021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923322 (or 2923320 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 331210222021212 its reverse (212120222012133), we get a palindrome (543330444033345).

The spelling of 331210222021212 in words is "three hundred thirty-one trillion, two hundred ten billion, two hundred twenty-two million, twenty-one thousand, two hundred twelve".