1211043052 has 12 divisors (see below), whose sum is σ = 2230868920. Its totient is φ = 573651936.

The previous prime is 1211043049. The next prime is 1211043079. The reversal of 1211043052 is 2503401121.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 7967313 + ... + 7967464.

Almost surely, 2^1211043052 is an apocalyptic number.

It is an amenable number.

1211043052 is a deficient number, since it is larger than the sum of its proper divisors (1019825868).

1211043052 is a wasteful number, since it uses less digits than its factorization.

1211043052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15934800 (or 15934798 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1211043052 is about 34800.0438505471. The cubic root of 1211043052 is about 1065.9083412632.

Adding to 1211043052 its reverse (2503401121), we get a palindrome (3714444173).

The spelling of 1211043052 in words is "one billion, two hundred eleven million, forty-three thousand, fifty-two".