1211043050 has 48 divisors (see below), whose sum is σ = 2590846080. Its totient is φ = 412551360.

The previous prime is 1211043049. The next prime is 1211043079. The reversal of 1211043050 is 503401121.

It is a super-3 number, since 3×1211043050³ (a number of 28 digits) contains 333 as substring.

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, 43931 + ... + 65969.

It is an arithmetic number, because the mean of its divisors is an integer number (53975960).

Almost surely, 2^1211043050 is an apocalyptic number.

1211043050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211043050 is an abundant number, since it is smaller than the sum of its proper divisors (1379803030).

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

1211043050 is a wasteful number, since it uses less digits than its factorization.

1211043050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22215 (or 22210 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1211043050 is about 34800.0438218115. The cubic root of 1211043050 is about 1065.9083406764.

Adding to 1211043050 its reverse (503401121), we get a palindrome (1714444171).

The spelling of 1211043050 in words is "one billion, two hundred eleven million, forty-three thousand, fifty".