1211014013 has 16 divisors (see below), whose sum is σ = 1353926016. Its totient is φ = 1073816640.

The previous prime is 1211013953. The next prime is 1211014043. The reversal of 1211014013 is 3104101121.

It is a cyclic number.

It is not a de Polignac number, because 1211014013 - 2⁸ = 1211013757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211014043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94856 + ... + 106862.

It is an arithmetic number, because the mean of its divisors is an integer number (84620376).

Almost surely, 2^1211014013 is an apocalyptic number.

It is an amenable number.

1211014013 is a deficient number, since it is larger than the sum of its proper divisors (142912003).

1211014013 is a wasteful number, since it uses less digits than its factorization.

1211014013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12244.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1211014013 is about 34799.6266215602. The cubic root of 1211014013 is about 1065.8998215661.

Adding to 1211014013 its reverse (3104101121), we get a palindrome (4315115134).

The spelling of 1211014013 in words is "one billion, two hundred eleven million, fourteen thousand, thirteen".