1201213343 has 6 divisors (see below), whose sum is σ = 1320342072. Its totient is φ = 1092012020.

The previous prime is 1201213339. The next prime is 1201213369. The reversal of 1201213343 is 3433121021.

It is not a de Polignac number, because 1201213343 - 2² = 1201213339 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 (1201213373) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4963571 + ... + 4963812.

It is an arithmetic number, because the mean of its divisors is an integer number (220057012).

Almost surely, 2^1201213343 is an apocalyptic number.

1201213343 is a deficient number, since it is larger than the sum of its proper divisors (119128729).

1201213343 is an equidigital number, since it uses as much as digits as its factorization.

1201213343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9927405 (or 9927394 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1201213343 is about 34658.5248243488. The cubic root of 1201213343 is about 1063.0166066858.

Adding to 1201213343 its reverse (3433121021), we get a palindrome (4634334364).

The spelling of 1201213343 in words is "one billion, two hundred one million, two hundred thirteen thousand, three hundred forty-three".