1012220133 has 8 divisors (see below), whose sum is σ = 1408306368. Its totient is φ = 645473664.

The previous prime is 1012220113. The next prime is 1012220149. The reversal of 1012220133 is 3310222101.

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

It is a de Polignac number, because none of the positive numbers 2^k-1012220133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012220113) 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, 7334860 + ... + 7334997.

It is an arithmetic number, because the mean of its divisors is an integer number (176038296).

Almost surely, 2^1012220133 is an apocalyptic number.

It is an amenable number.

1012220133 is a deficient number, since it is larger than the sum of its proper divisors (396086235).

1012220133 is a wasteful number, since it uses less digits than its factorization.

1012220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14669883.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1012220133 is about 31815.4071638255. The cubic root of 1012220133 is about 1004.0568969967.

Adding to 1012220133 its reverse (3310222101), we get a palindrome (4322442234).

The spelling of 1012220133 in words is "one billion, twelve million, two hundred twenty thousand, one hundred thirty-three".