1212214412431 has 16 divisors (see below), whose sum is σ = 1473899880960. Its totient is φ = 982599914880.

The previous prime is 1212214412411. The next prime is 1212214412531. The reversal of 1212214412431 is 1342144122121.

It is a cyclic number.

It is not a de Polignac number, because 1212214412431 - 2³⁵ = 1177854674063 is a prime.

It is a super-2 number, since 2×1212214412431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1212214412431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212214412411) 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, 170586711 + ... + 170593816.

It is an arithmetic number, because the mean of its divisors is an integer number (92118742560).

Almost surely, 2^{1212214412431} is an apocalyptic number.

1212214412431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1212214412431 is a deficient number, since it is larger than the sum of its proper divisors (261685468529).

1212214412431 is a wasteful number, since it uses less digits than its factorization.

1212214412431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341180574.

The product of its digits is 3072, while the sum is 28.

Adding to 1212214412431 its reverse (1342144122121), we get a palindrome (2554358534552).

The spelling of 1212214412431 in words is "one trillion, two hundred twelve billion, two hundred fourteen million, four hundred twelve thousand, four hundred thirty-one".