1210220330 has 32 divisors (see below), whose sum is σ = 2411916480. Its totient is φ = 433509120.

The previous prime is 1210220321. The next prime is 1210220359. The reversal of 1210220330 is 330220121.

It is a happy number.

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, 74735 + ... + 89474.

It is an arithmetic number, because the mean of its divisors is an integer number (75372390).

Almost surely, 2^1210220330 is an apocalyptic number.

1210220330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210220330 is a deficient number, since it is larger than the sum of its proper divisors (1201696150).

1210220330 is a wasteful number, since it uses less digits than its factorization.

1210220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164294.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1210220330 is about 34788.2211387705. The cubic root of 1210220330 is about 1065.6669116679. Note that the first 3 decimals are identical.

Adding to 1210220330 its reverse (330220121), we get a palindrome (1540440451).

The spelling of 1210220330 in words is "one billion, two hundred ten million, two hundred twenty thousand, three hundred thirty".