633443226012 has 144 divisors (see below), whose sum is σ = 1750694400000. Its totient is φ = 192249469440.

The previous prime is 633443225923. The next prime is 633443226023. The reversal of 633443226012 is 210622344336.

633443226012 is a `hidden beast` number, since 6 + 3 + 3 + 4 + 43 + 2 + 2 + 601 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94837689 + ... + 94844367.

It is an arithmetic number, because the mean of its divisors is an integer number (12157600000).

Almost surely, 2^633443226012 is an apocalyptic number.

633443226012 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 633443226012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (875347200000).

633443226012 is an abundant number, since it is smaller than the sum of its proper divisors (1117251173988).

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

633443226012 is a wasteful number, since it uses less digits than its factorization.

633443226012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11736 (or 11731 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The spelling of 633443226012 in words is "six hundred thirty-three billion, four hundred forty-three million, two hundred twenty-six thousand, twelve".