2301221212312 has 32 divisors (see below), whose sum is σ = 4707188928000. Its totient is φ = 1045977300000.

The previous prime is 2301221212273. The next prime is 2301221212349. The reversal of 2301221212312 is 2132121221032.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2582689 + ... + 3357487.

It is an arithmetic number, because the mean of its divisors is an integer number (147099654000).

Almost surely, 2^{2301221212312} is an apocalyptic number.

2301221212312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2301221212312 is an abundant number, since it is smaller than the sum of its proper divisors (2405967715688).

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

2301221212312 is a wasteful number, since it uses less digits than its factorization.

2301221212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808567 (or 808563 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2301221212312 its reverse (2132121221032), we get a palindrome (4433342433344).

The spelling of 2301221212312 in words is "two trillion, three hundred one billion, two hundred twenty-one million, two hundred twelve thousand, three hundred twelve".