12212332042648 has 64 divisors (see below), whose sum is σ = 24111563857920. Its totient is φ = 5787536832000.

The previous prime is 12212332042621. The next prime is 12212332042657. The reversal of 12212332042648 is 84624023321221.

It is a self number, because there is not a number n which added to its sum of digits gives 12212332042648.

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, 18629248 + ... + 19273648.

It is an arithmetic number, because the mean of its divisors is an integer number (376743185280).

Almost surely, 2^{12212332042648} is an apocalyptic number.

It is an amenable number.

12212332042648 is a deficient number, since it is larger than the sum of its proper divisors (11899231815272).

12212332042648 is a wasteful number, since it uses less digits than its factorization.

12212332042648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645368 (or 645364 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

Adding to 12212332042648 its reverse (84624023321221), we get a palindrome (96836355363869).

The spelling of 12212332042648 in words is "twelve trillion, two hundred twelve billion, three hundred thirty-two million, forty-two thousand, six hundred forty-eight".