2001211200983 has 8 divisors (see below), whose sum is σ = 2020812458496. Its totient is φ = 1981613251800.

The previous prime is 2001211200977. The next prime is 2001211200991. The reversal of 2001211200983 is 3890021121002.

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

It is a cyclic number.

It is not a de Polignac number, because 2001211200983 - 2⁴⁰ = 901699573207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001211200943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397478 + ... + 2039708.

It is an arithmetic number, because the mean of its divisors is an integer number (252601557312).

Almost surely, 2^{2001211200983} is an apocalyptic number.

2001211200983 is a deficient number, since it is larger than the sum of its proper divisors (19601257513).

2001211200983 is a wasteful number, since it uses less digits than its factorization.

2001211200983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654165.

The product of its (nonzero) digits is 1728, while the sum is 29.

Adding to 2001211200983 its reverse (3890021121002), we get a palindrome (5891232321985).

The spelling of 2001211200983 in words is "two trillion, one billion, two hundred eleven million, two hundred thousand, nine hundred eighty-three".