21462016124 has 24 divisors (see below), whose sum is σ = 39823890960. Its totient is φ = 10092007296.

The previous prime is 21462016111. The next prime is 21462016171. The reversal of 21462016124 is 42161026412.

It is a super-2 number, since 2×21462016124² (a number of 21 digits) contains 22 as substring.

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, 1020227 + ... + 1041050.

It is an arithmetic number, because the mean of its divisors is an integer number (1659328790).

Almost surely, 2^21462016124 is an apocalyptic number.

It is an amenable number.

21462016124 is a deficient number, since it is larger than the sum of its proper divisors (18361874836).

21462016124 is a wasteful number, since it uses less digits than its factorization.

21462016124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061437 (or 2061435 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 21462016124 in words is "twenty-one billion, four hundred sixty-two million, sixteen thousand, one hundred twenty-four".