1211302030 has 8 divisors (see below), whose sum is σ = 2180343672. Its totient is φ = 484520808.

The previous prime is 1211302021. The next prime is 1211302033. The reversal of 1211302030 is 302031121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1211302030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211302033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60565092 + ... + 60565111.

It is an arithmetic number, because the mean of its divisors is an integer number (272542959).

Almost surely, 2^1211302030 is an apocalyptic number.

1211302030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211302030 is a deficient number, since it is larger than the sum of its proper divisors (969041642).

1211302030 is a wasteful number, since it uses less digits than its factorization.

1211302030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121130210.

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

The square root of 1211302030 is about 34803.7645952273. The cubic root of 1211302030 is about 1065.9843163039.

Adding to 1211302030 its reverse (302031121), we get a palindrome (1513333151).

The spelling of 1211302030 in words is "one billion, two hundred eleven million, three hundred two thousand, thirty".