21014114012412 has 24 divisors (see below), whose sum is σ = 49289649626112. Its totient is φ = 6968030823600.

The previous prime is 21014114012389. The next prime is 21014114012417. The reversal of 21014114012412 is 21421041141012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21014114012417) 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, 4584228514 + ... + 4584233097.

It is an arithmetic number, because the mean of its divisors is an integer number (2053735401088).

Almost surely, 2^{21014114012412} is an apocalyptic number.

It is an amenable number.

21014114012412 is an abundant number, since it is smaller than the sum of its proper divisors (28275535613700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21014114012412 is a wasteful number, since it uses less digits than its factorization.

21014114012412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9168461809 (or 9168461807 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

Adding to 21014114012412 its reverse (21421041141012), we get a palindrome (42435155153424).

The spelling of 21014114012412 in words is "twenty-one trillion, fourteen billion, one hundred fourteen million, twelve thousand, four hundred twelve".