21050223435132 has 24 divisors (see below), whose sum is σ = 49181730990672. Its totient is φ = 7007520720000.

The previous prime is 21050223435107. The next prime is 21050223435139. The reversal of 21050223435132 is 23153432205012.

It is a super-2 number, since 2×21050223435132² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21050223435093 and 21050223435102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21050223435139) 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, 1152543619 + ... + 1152561882.

It is an arithmetic number, because the mean of its divisors is an integer number (2049238791278).

Almost surely, 2^{21050223435132} is an apocalyptic number.

It is an amenable number.

21050223435132 is an abundant number, since it is smaller than the sum of its proper divisors (28131507555540).

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

21050223435132 is a wasteful number, since it uses less digits than its factorization.

21050223435132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305106269 (or 2305106267 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 21050223435132 in words is "twenty-one trillion, fifty billion, two hundred twenty-three million, four hundred thirty-five thousand, one hundred thirty-two".