1222322301212 has 48 divisors (see below), whose sum is σ = 2372847418368. Its totient is φ = 548346965760.

The previous prime is 1222322301199. The next prime is 1222322301251. The reversal of 1222322301212 is 2121032232221.

It is a happy number.

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, 4185998 + ... + 4468469.

It is an arithmetic number, because the mean of its divisors is an integer number (49434321216).

Almost surely, 2^{1222322301212} is an apocalyptic number.

It is an amenable number.

1222322301212 is a deficient number, since it is larger than the sum of its proper divisors (1150525117156).

1222322301212 is a wasteful number, since it uses less digits than its factorization.

1222322301212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8654586 (or 8654584 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1222322301212 its reverse (2121032232221), we get a palindrome (3343354533433).

The spelling of 1222322301212 in words is "one trillion, two hundred twenty-two billion, three hundred twenty-two million, three hundred one thousand, two hundred twelve".