1212322331133 has 96 divisors (see below), whose sum is σ = 1951698458880. Its totient is φ = 741802406400.

The previous prime is 1212322331119. The next prime is 1212322331149. The reversal of 1212322331133 is 3311332232121.

1212322331133 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 322 + 331 + 1 + 3 + 3 = 666.

It is not a de Polignac number, because 1212322331133 - 2³³ = 1203732396541 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 1212322331097 and 1212322331106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212322331113) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 122439483 + ... + 122449383.

It is an arithmetic number, because the mean of its divisors is an integer number (20330192280).

Almost surely, 2^{1212322331133} is an apocalyptic number.

It is an amenable number.

1212322331133 is a deficient number, since it is larger than the sum of its proper divisors (739376127747).

1212322331133 is an equidigital number, since it uses as much as digits as its factorization.

1212322331133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10116 (or 10037 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

Adding to 1212322331133 its reverse (3311332232121), we get a palindrome (4523654563254).

The spelling of 1212322331133 in words is "one trillion, two hundred twelve billion, three hundred twenty-two million, three hundred thirty-one thousand, one hundred thirty-three".