21403032012014 has 16 divisors (see below), whose sum is σ = 33606077443488. Its totient is φ = 10203941739552.

The previous prime is 21403032011953. The next prime is 21403032012053. The reversal of 21403032012014 is 41021023030412.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733870757 + ... + 733899920.

It is an arithmetic number, because the mean of its divisors is an integer number (2100379840218).

Almost surely, 2^{21403032012014} is an apocalyptic number.

21403032012014 is a deficient number, since it is larger than the sum of its proper divisors (12203045431474).

21403032012014 is a wasteful number, since it uses less digits than its factorization.

21403032012014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467771019.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21403032012014 its reverse (41021023030412), we get a palindrome (62424055042426).

The spelling of 21403032012014 in words is "twenty-one trillion, four hundred three billion, thirty-two million, twelve thousand, fourteen".