1211002323994 has 8 divisors (see below), whose sum is σ = 1817633860128. Its totient is φ = 605124370620.

The previous prime is 1211002323967. The next prime is 1211002324013. The reversal of 1211002323994 is 4993232001121.

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

It is a super-2 number, since 2×1211002323994² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188391672 + ... + 188398099.

It is an arithmetic number, because the mean of its divisors is an integer number (227204232516).

Almost surely, 2^{1211002323994} is an apocalyptic number.

1211002323994 is a deficient number, since it is larger than the sum of its proper divisors (606631536134).

1211002323994 is a wasteful number, since it uses less digits than its factorization.

1211002323994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376791380.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 1211002323994 in words is "one trillion, two hundred eleven billion, two million, three hundred twenty-three thousand, nine hundred ninety-four".