33212225004240 has 80 divisors (see below), whose sum is σ = 105352267255488. Its totient is φ = 8650626044928.

The previous prime is 33212225004221. The next prime is 33212225004253. The reversal of 33212225004240 is 4240052221233.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×33212225004240² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 33212225004198 and 33212225004207.

It is a congruent number.

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, 1609109109 + ... + 1609129748.

Almost surely, 2^{33212225004240} is an apocalyptic number.

33212225004240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33212225004240 is an abundant number, since it is smaller than the sum of its proper divisors (72140042251248).

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

33212225004240 is a wasteful number, since it uses less digits than its factorization.

33212225004240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218238916 (or 3218238910 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 33212225004240 its reverse (4240052221233), we get a palindrome (37452277225473).

The spelling of 33212225004240 in words is "thirty-three trillion, two hundred twelve billion, two hundred twenty-five million, four thousand, two hundred forty".