1222012099 has 8 divisors (see below), whose sum is σ = 1523547648. Its totient is φ = 952217160.

The previous prime is 1222012091. The next prime is 1222012123. The reversal of 1222012099 is 9902102221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222012099 - 2³ = 1222012091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222012091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7935067 + ... + 7935220.

It is an arithmetic number, because the mean of its divisors is an integer number (190443456).

Almost surely, 2^1222012099 is an apocalyptic number.

1222012099 is a deficient number, since it is larger than the sum of its proper divisors (301535549).

1222012099 is a wasteful number, since it uses less digits than its factorization.

1222012099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15870305.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1222012099 is about 34957.2896403597. The cubic root of 1222012099 is about 1069.1168358099.

The spelling of 1222012099 in words is "one billion, two hundred twenty-two million, twelve thousand, ninety-nine".