21063346212 has 48 divisors (see below), whose sum is σ = 50039035200. Its totient is φ = 6894074880.

The previous prime is 21063346193. The next prime is 21063346219. The reversal of 21063346212 is 21264336012.

It is a super-3 number, since 3×21063346212³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21063346212.

It is not an unprimeable number, because it can be changed into a prime (21063346219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 606864 + ... + 640632.

It is an arithmetic number, because the mean of its divisors is an integer number (1042479900).

Almost surely, 2^21063346212 is an apocalyptic number.

It is an amenable number.

21063346212 is an abundant number, since it is smaller than the sum of its proper divisors (28975688988).

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

21063346212 is a wasteful number, since it uses less digits than its factorization.

21063346212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34716 (or 34714 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 21063346212 in words is "twenty-one billion, sixty-three million, three hundred forty-six thousand, two hundred twelve".