1012120032243 has 16 divisors (see below), whose sum is σ = 1396054298880. Its totient is φ = 651467115936.

The previous prime is 1012120032229. The next prime is 1012120032257. The reversal of 1012120032243 is 3422300212101.

It is an interprime number because it is at equal distance from previous prime (1012120032229) and next prime (1012120032257).

It is not a de Polignac number, because 1012120032243 - 2¹⁴ = 1012120015859 is a prime.

It is a super-2 number, since 2×1012120032243² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012120032223) 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 15 ways as a sum of consecutive naturals, for example, 7274496 + ... + 7412322.

It is an arithmetic number, because the mean of its divisors is an integer number (87253393680).

Almost surely, 2^{1012120032243} is an apocalyptic number.

1012120032243 is a deficient number, since it is larger than the sum of its proper divisors (383934266637).

1012120032243 is a wasteful number, since it uses less digits than its factorization.

1012120032243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222266.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1012120032243 its reverse (3422300212101), we get a palindrome (4434420244344).

The spelling of 1012120032243 in words is "one trillion, twelve billion, one hundred twenty million, thirty-two thousand, two hundred forty-three".