1231132223219 has 8 divisors (see below), whose sum is σ = 1296365202000. Its totient is φ = 1165942899072.

The previous prime is 1231132223183. The next prime is 1231132223239. The reversal of 1231132223219 is 9123222311321.

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 1231132223219 - 2¹² = 1231132219123 is a prime.

It is a super-2 number, since 2×1231132223219² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1231132223239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10855754 + ... + 10968575.

It is an arithmetic number, because the mean of its divisors is an integer number (162045650250).

Almost surely, 2^{1231132223219} is an apocalyptic number.

1231132223219 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1231132223219 is a deficient number, since it is larger than the sum of its proper divisors (65232978781).

1231132223219 is a wasteful number, since it uses less digits than its factorization.

1231132223219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21827317.

The product of its digits is 7776, while the sum is 32.

The spelling of 1231132223219 in words is "one trillion, two hundred thirty-one billion, one hundred thirty-two million, two hundred twenty-three thousand, two hundred nineteen".