1211320030 has 8 divisors (see below), whose sum is σ = 2180376072. Its totient is φ = 484528008.

The previous prime is 1211320027. The next prime is 1211320043. The reversal of 1211320030 is 300231121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60565992 + ... + 60566011.

It is an arithmetic number, because the mean of its divisors is an integer number (272547009).

Almost surely, 2^1211320030 is an apocalyptic number.

1211320030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211320030 is a deficient number, since it is larger than the sum of its proper divisors (969056042).

1211320030 is a wasteful number, since it uses less digits than its factorization.

1211320030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121132010.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1211320030 is about 34804.0231869823. The cubic root of 1211320030 is about 1065.9895964686.

Adding to 1211320030 its reverse (300231121), we get a palindrome (1511551151).

The spelling of 1211320030 in words is "one billion, two hundred eleven million, three hundred twenty thousand, thirty".