1201323330 has 48 divisors (see below), whose sum is σ = 3128448960. Its totient is φ = 319839264.

The previous prime is 1201323323. The next prime is 1201323371. The reversal of 1201323330 is 333231021.

1201323330 is a `hidden beast` number, since 12 + 0 + 1 + 323 + 330 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47491 + ... + 68249.

It is an arithmetic number, because the mean of its divisors is an integer number (65176020).

Almost surely, 2^1201323330 is an apocalyptic number.

1201323330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201323330 is an abundant number, since it is smaller than the sum of its proper divisors (1927125630).

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

1201323330 is a wasteful number, since it uses less digits than its factorization.

1201323330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21415 (or 21412 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1201323330 is about 34660.1115116498. Note that the first 3 decimals coincide. The cubic root of 1201323330 is about 1063.0490501148.

Adding to 1201323330 its reverse (333231021), we get a palindrome (1534554351).

The spelling of 1201323330 in words is "one billion, two hundred one million, three hundred twenty-three thousand, three hundred thirty".