1211093030 has 16 divisors (see below), whose sum is σ = 2491391520. Its totient is φ = 415231872.

The previous prime is 1211093017. The next prime is 1211093033. The reversal of 1211093030 is 303901121.

It is a junction number, because it is equal to n+sod(n) for n = 1211092993 and 1211093011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211093033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8650595 + ... + 8650734.

It is an arithmetic number, because the mean of its divisors is an integer number (155711970).

Almost surely, 2^1211093030 is an apocalyptic number.

1211093030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211093030 is an abundant number, since it is smaller than the sum of its proper divisors (1280298490).

1211093030 is a wasteful number, since it uses less digits than its factorization.

1211093030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17301343.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 1211093030 is about 34800.7619169466. The cubic root of 1211093030 is about 1065.9230038947.

Adding to 1211093030 its reverse (303901121), we get a palindrome (1514994151).

The spelling of 1211093030 in words is "one billion, two hundred eleven million, ninety-three thousand, thirty".