1211050112 has 16 divisors (see below), whose sum is σ = 2412639150. Its totient is φ = 605524992.

The previous prime is 1211050079. The next prime is 1211050129. The reversal of 1211050112 is 2110501121.

It can be written as a sum of positive squares in only one way, i.e., 1207145536 + 3904576 = 34744^2 + 1976^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4730537 + ... + 4730792.

Almost surely, 2^1211050112 is an apocalyptic number.

It is an amenable number.

1211050112 is a deficient number, since it is larger than the sum of its proper divisors (1201589038).

1211050112 is an frugal number, since it uses more digits than its factorization.

1211050112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9461343 (or 9461331 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 1211050112 is about 34800.1452870530. The cubic root of 1211050112 is about 1065.9104125626.

Adding to 1211050112 its reverse (2110501121), we get a palindrome (3321551233).

The spelling of 1211050112 in words is "one billion, two hundred eleven million, fifty thousand, one hundred twelve".