1212420122133 has 96 divisors (see below), whose sum is σ = 1868680558080. Its totient is φ = 692837233920.

The previous prime is 1212420122129. The next prime is 1212420122161. The reversal of 1212420122133 is 3312210242121.

It is not a de Polignac number, because 1212420122133 - 2² = 1212420122129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212420122113) 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, 284670358 + ... + 284674616.

It is an arithmetic number, because the mean of its divisors is an integer number (19465422480).

Almost surely, 2^{1212420122133} is an apocalyptic number.

It is an amenable number.

1212420122133 is a deficient number, since it is larger than the sum of its proper divisors (656260435947).

1212420122133 is a wasteful number, since it uses less digits than its factorization.

1212420122133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4499 (or 4446 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1212420122133 its reverse (3312210242121), we get a palindrome (4524630364254).

The spelling of 1212420122133 in words is "one trillion, two hundred twelve billion, four hundred twenty million, one hundred twenty-two thousand, one hundred thirty-three".