1211265682 has 8 divisors (see below), whose sum is σ = 1982071152. Its totient is φ = 550575300.

The previous prime is 1211265673. The next prime is 1211265719. The reversal of 1211265682 is 2865621121.

It is a happy number.

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

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, 27528744 + ... + 27528787.

It is an arithmetic number, because the mean of its divisors is an integer number (247758894).

Almost surely, 2^1211265682 is an apocalyptic number.

1211265682 is a deficient number, since it is larger than the sum of its proper divisors (770805470).

1211265682 is a wasteful number, since it uses less digits than its factorization.

1211265682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55057544.

The product of its digits is 11520, while the sum is 34.

The square root of 1211265682 is about 34803.2424064195. The cubic root of 1211265682 is about 1065.9736537318.

The spelling of 1211265682 in words is "one billion, two hundred eleven million, two hundred sixty-five thousand, six hundred eighty-two".