21014241012 has 72 divisors (see below), whose sum is σ = 53531194080. Its totient is φ = 6950577600.

The previous prime is 21014241007. The next prime is 21014241013.

21014241012 is a `hidden beast` number, since 210 + 1 + 42 + 410 + 1 + 2 = 666.

21014241012 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21014241013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4157887 + ... + 4162937.

Almost surely, 2^21014241012 is an apocalyptic number.

It is an amenable number.

21014241012 is an abundant number, since it is smaller than the sum of its proper divisors (32516953068).

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

21014241012 is a wasteful number, since it uses less digits than its factorization.

21014241012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5933 (or 5928 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The spelling of 21014241012 in words is "twenty-one billion, fourteen million, two hundred forty-one thousand, twelve".