10000212001993 has 4 divisors (see below), whose sum is σ = 10000462906368. Its totient is φ = 9999961097620.

The previous prime is 10000212001973. The next prime is 10000212002003. The reversal of 10000212001993 is 39910021200001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10000212001993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10000212001973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125392393 + ... + 125472118.

It is an arithmetic number, because the mean of its divisors is an integer number (2500115726592).

Almost surely, 2^{10000212001993} is an apocalyptic number.

It is an amenable number.

10000212001993 is a deficient number, since it is larger than the sum of its proper divisors (250904375).

10000212001993 is an equidigital number, since it uses as much as digits as its factorization.

10000212001993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250904374.

The product of its (nonzero) digits is 972, while the sum is 28.

Adding to 10000212001993 its reverse (39910021200001), we get a palindrome (49910233201994).

The spelling of 10000212001993 in words is "ten trillion, two hundred twelve million, one thousand, nine hundred ninety-three".