1212241122431 has 8 divisors (see below), whose sum is σ = 1215600604800. Its totient is φ = 1208882487960.

The previous prime is 1212241122413. The next prime is 1212241122481. The reversal of 1212241122431 is 1342211422121.

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

It is a cyclic number.

It is not a de Polignac number, because 1212241122431 - 2¹⁸ = 1212240860287 is a prime.

It is a super-2 number, since 2×1212241122431² (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 1212241122431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212241122481) 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, 2706950 + ... + 3122828.

It is an arithmetic number, because the mean of its divisors is an integer number (151950075600).

Almost surely, 2^{1212241122431} is an apocalyptic number.

1212241122431 is a deficient number, since it is larger than the sum of its proper divisors (3359482369).

1212241122431 is an equidigital number, since it uses as much as digits as its factorization.

1212241122431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423949.

The product of its digits is 1536, while the sum is 26.

Adding to 1212241122431 its reverse (1342211422121), we get a palindrome (2554452544552).

The spelling of 1212241122431 in words is "one trillion, two hundred twelve billion, two hundred forty-one million, one hundred twenty-two thousand, four hundred thirty-one".