2001212013404 has 6 divisors (see below), whose sum is σ = 3502121023464. Its totient is φ = 1000606006700.

The previous prime is 2001212013389. The next prime is 2001212013421. The reversal of 2001212013404 is 4043102121002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250151501672 + ... + 250151501679.

It is an arithmetic number, because the mean of its divisors is an integer number (583686837244).

Almost surely, 2^{2001212013404} is an apocalyptic number.

It is an amenable number.

2001212013404 is a deficient number, since it is larger than the sum of its proper divisors (1500909010060).

2001212013404 is a wasteful number, since it uses less digits than its factorization.

2001212013404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500303003355 (or 500303003353 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2001212013404 its reverse (4043102121002), we get a palindrome (6044314134406).

The spelling of 2001212013404 in words is "two trillion, one billion, two hundred twelve million, thirteen thousand, four hundred four".