1012205343 has 4 divisors (see below), whose sum is σ = 1349607128. Its totient is φ = 674803560.

The previous prime is 1012205303. The next prime is 1012205353. The reversal of 1012205343 is 3435022101.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1012205343 - 2¹² = 1012201247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012205303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168700888 + ... + 168700893.

It is an arithmetic number, because the mean of its divisors is an integer number (337401782).

Almost surely, 2^1012205343 is an apocalyptic number.

1012205343 is a deficient number, since it is larger than the sum of its proper divisors (337401785).

1012205343 is an equidigital number, since it uses as much as digits as its factorization.

1012205343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337401784.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1012205343 is about 31815.1747284217. The cubic root of 1012205343 is about 1004.0520067318.

Adding to 1012205343 its reverse (3435022101), we get a palindrome (4447227444).

The spelling of 1012205343 in words is "one billion, twelve million, two hundred five thousand, three hundred forty-three".