1242022032243 has 8 divisors (see below), whose sum is σ = 1840032640400. Its totient is φ = 828014688144.

The previous prime is 1242022032239. The next prime is 1242022032269. The reversal of 1242022032243 is 3422302202421.

1242022032243 is a `hidden beast` number, since 12 + 4 + 202 + 203 + 2 + 243 = 666.

It is not a de Polignac number, because 1242022032243 - 2² = 1242022032239 is a prime.

It is a super-2 number, since 2×1242022032243² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 46000816009 = 1242022032243 / (1 + 2 + 4 + 2 + 0 + 2 + 2 + 0 + 3 + 2 + 2 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242022034243) 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, 23000407978 + ... + 23000408031.

It is an arithmetic number, because the mean of its divisors is an integer number (230004080050).

Almost surely, 2^{1242022032243} is an apocalyptic number.

1242022032243 is a deficient number, since it is larger than the sum of its proper divisors (598010608157).

1242022032243 is an equidigital number, since it uses as much as digits as its factorization.

1242022032243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46000816018 (or 46000816012 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 1242022032243 its reverse (3422302202421), we get a palindrome (4664324234664).

The spelling of 1242022032243 in words is "one trillion, two hundred forty-two billion, twenty-two million, thirty-two thousand, two hundred forty-three".