1031231302212 has 48 divisors (see below), whose sum is σ = 2616605994240. Its totient is φ = 314779663872.

The previous prime is 1031231302207. The next prime is 1031231302247. The reversal of 1031231302212 is 2122031321301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68304012 + ... + 68319107.

It is an arithmetic number, because the mean of its divisors is an integer number (54512624880).

Almost surely, 2^{1031231302212} is an apocalyptic number.

1031231302212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031231302212 is an abundant number, since it is smaller than the sum of its proper divisors (1585374692028).

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

1031231302212 is a wasteful number, since it uses less digits than its factorization.

1031231302212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136623180 (or 136623178 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1031231302212 its reverse (2122031321301), we get a palindrome (3153262623513).

The spelling of 1031231302212 in words is "one trillion, thirty-one billion, two hundred thirty-one million, three hundred two thousand, two hundred twelve".