1212114432021 has 16 divisors (see below), whose sum is σ = 1620103848000. Its totient is φ = 806101994880.

The previous prime is 1212114431987. The next prime is 1212114432047. The reversal of 1212114432021 is 1202344112121.

It is not a de Polignac number, because 1212114432021 - 2⁷ = 1212114431893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212114431982 and 1212114432000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212114432071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3476355 + ... + 3809103.

It is an arithmetic number, because the mean of its divisors is an integer number (101256490500).

Almost surely, 2^{1212114432021} is an apocalyptic number.

It is an amenable number.

1212114432021 is a deficient number, since it is larger than the sum of its proper divisors (407989415979).

1212114432021 is a wasteful number, since it uses less digits than its factorization.

1212114432021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335716.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1212114432021 its reverse (1202344112121), we get a palindrome (2414458544142).

The spelling of 1212114432021 in words is "one trillion, two hundred twelve billion, one hundred fourteen million, four hundred thirty-two thousand, twenty-one".