1222012412 has 6 divisors (see below), whose sum is σ = 2138521728. Its totient is φ = 611006204.

The previous prime is 1222012391. The next prime is 1222012427. The reversal of 1222012412 is 2142102221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152751548 + ... + 152751555.

It is an arithmetic number, because the mean of its divisors is an integer number (356420288).

Almost surely, 2^1222012412 is an apocalyptic number.

It is an amenable number.

1222012412 is a deficient number, since it is larger than the sum of its proper divisors (916509316).

1222012412 is a wasteful number, since it uses less digits than its factorization.

1222012412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305503107 (or 305503105 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1222012412 is about 34957.2941172511. The cubic root of 1222012412 is about 1069.1169270893.

Adding to 1222012412 its reverse (2142102221), we get a palindrome (3364114633).

The spelling of 1222012412 in words is "one billion, two hundred twenty-two million, twelve thousand, four hundred twelve".