1242222232113 has 16 divisors (see below), whose sum is σ = 1840504905600. Its totient is φ = 828069102000.

The previous prime is 1242222232093. The next prime is 1242222232133. The reversal of 1242222232113 is 3112322222421.

1242222232113 is a `hidden beast` number, since 1 + 2 + 4 + 222 + 223 + 211 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (1242222232093) and next prime (1242222232133).

It is not a de Polignac number, because 1242222232113 - 2⁵ = 1242222232081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1242222232133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1907133 + ... + 2474186.

It is an arithmetic number, because the mean of its divisors is an integer number (115031556600).

Almost surely, 2^{1242222232113} is an apocalyptic number.

It is an amenable number.

1242222232113 is a deficient number, since it is larger than the sum of its proper divisors (598282673487).

1242222232113 is a wasteful number, since it uses less digits than its factorization.

1242222232113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4391829 (or 4391823 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 1242222232113 its reverse (3112322222421), we get a palindrome (4354544454534).

The spelling of 1242222232113 in words is "one trillion, two hundred forty-two billion, two hundred twenty-two million, two hundred thirty-two thousand, one hundred thirteen".