1012125432243 has 8 divisors (see below), whose sum is σ = 1349512122256. Its totient is φ = 674744515200.

The previous prime is 1012125432239. The next prime is 1012125432247. The reversal of 1012125432243 is 3422345212101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1012125432239) and next prime (1012125432247).

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

It is not a de Polignac number, because 1012125432243 - 2² = 1012125432239 is a prime.

It is a super-2 number, since 2×1012125432243² (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 1012125432243.

It is not an unprimeable number, because it can be changed into a prime (1012125432247) 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, 1016098 + ... + 1748343.

It is an arithmetic number, because the mean of its divisors is an integer number (168689015282).

Almost surely, 2^{1012125432243} is an apocalyptic number.

1012125432243 is a deficient number, since it is larger than the sum of its proper divisors (337386690013).

1012125432243 is a wasteful number, since it uses less digits than its factorization.

1012125432243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2886485.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 1012125432243 in words is "one trillion, twelve billion, one hundred twenty-five million, four hundred thirty-two thousand, two hundred forty-three".