210421124012 has 48 divisors (see below), whose sum is σ = 415710489600. Its totient is φ = 92315549760.

The previous prime is 210421123999. The next prime is 210421124021.

210421124012 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×210421124012² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3824933 + ... + 3879555.

It is an arithmetic number, because the mean of its divisors is an integer number (8660635200).

Almost surely, 2^210421124012 is an apocalyptic number.

210421124012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210421124012 is a deficient number, since it is larger than the sum of its proper divisors (205289365588).

210421124012 is a wasteful number, since it uses less digits than its factorization.

210421124012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57686 (or 57684 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 210421 and 124012, that added together give a palindrome (334433).

The spelling of 210421124012 in words is "two hundred ten billion, four hundred twenty-one million, one hundred twenty-four thousand, twelve".