1201231330 has 32 divisors (see below), whose sum is σ = 2408842800. Its totient is φ = 428236032.

The previous prime is 1201231313. The next prime is 1201231349. The reversal of 1201231330 is 331321021.

It can be written as a sum of positive squares in 8 ways, for example, as 495107001 + 706124329 = 22251^2 + 26573^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155545 + ... + 163084.

Almost surely, 2^1201231330 is an apocalyptic number.

1201231330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201231330 is an abundant number, since it is smaller than the sum of its proper divisors (1207611470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201231330 is a wasteful number, since it uses less digits than its factorization.

1201231330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318678.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1201231330 is about 34658.7843122058. The cubic root of 1201231330 is about 1063.0219125388.

Adding to 1201231330 its reverse (331321021), we get a palindrome (1532552351).

The spelling of 1201231330 in words is "one billion, two hundred one million, two hundred thirty-one thousand, three hundred thirty".