2001212013403 has 8 divisors (see below), whose sum is σ = 2070472683600. Its totient is φ = 1931968233888.

The previous prime is 2001212013389. The next prime is 2001212013421. The reversal of 2001212013403 is 3043102121002.

It is a happy number.

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

It is not a de Polignac number, because 2001212013403 - 2¹³ = 2001212005211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001212013433) 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, 3981376 + ... + 4455757.

It is an arithmetic number, because the mean of its divisors is an integer number (258809085450).

Almost surely, 2^{2001212013403} is an apocalyptic number.

2001212013403 is a deficient number, since it is larger than the sum of its proper divisors (69260670197).

2001212013403 is an equidigital number, since it uses as much as digits as its factorization.

2001212013403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8445341.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2001212013403 its reverse (3043102121002), we get a palindrome (5044314134405).

The spelling of 2001212013403 in words is "two trillion, one billion, two hundred twelve million, thirteen thousand, four hundred three".