1211132011299 has 64 divisors (see below), whose sum is σ = 1905219283968. Its totient is φ = 670096627200.

The previous prime is 1211132011253. The next prime is 1211132011301. The reversal of 1211132011299 is 9921102311121.

It is not a de Polignac number, because 1211132011299 - 2¹² = 1211132007203 is a prime.

It is a super-2 number, since 2×1211132011299² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1211132011099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26367397 + ... + 26413289.

It is an arithmetic number, because the mean of its divisors is an integer number (29769051312).

Almost surely, 2^{1211132011299} is an apocalyptic number.

1211132011299 is a deficient number, since it is larger than the sum of its proper divisors (694087272669).

1211132011299 is a wasteful number, since it uses less digits than its factorization.

1211132011299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46268.

The product of its (nonzero) digits is 1944, while the sum is 33.

The spelling of 1211132011299 in words is "one trillion, two hundred eleven billion, one hundred thirty-two million, eleven thousand, two hundred ninety-nine".