1211013331299 has 12 divisors (see below), whose sum is σ = 1749278801400. Its totient is φ = 807324994944.

The previous prime is 1211013331267. The next prime is 1211013331309. The reversal of 1211013331299 is 9921333101121.

1211013331299 is a `hidden beast` number, since 1 + 21 + 1 + 0 + 13 + 331 + 299 = 666.

It is not a de Polignac number, because 1211013331299 - 2⁵ = 1211013331267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1211013331699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 982734 + ... + 1840595.

It is an arithmetic number, because the mean of its divisors is an integer number (145773233450).

Almost surely, 2^{1211013331299} is an apocalyptic number.

1211013331299 is a deficient number, since it is larger than the sum of its proper divisors (538265470101).

1211013331299 is a wasteful number, since it uses less digits than its factorization.

1211013331299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2870994 (or 2870991 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The spelling of 1211013331299 in words is "one trillion, two hundred eleven billion, thirteen million, three hundred thirty-one thousand, two hundred ninety-nine".