33212241243225 has 36 divisors (see below), whose sum is σ = 64894706530992. Its totient is φ = 16102904844000.

The previous prime is 33212241243211. The next prime is 33212241243277. The reversal of 33212241243225 is 52234214221233.

33212241243225 is a `hidden beast` number, since 3 + 3 + 2 + 12 + 2 + 412 + 4 + 3 + 225 = 666.

It is not a de Polignac number, because 33212241243225 - 2⁴² = 28814194732121 is a prime.

It is a super-2 number, since 2×33212241243225² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33212241243225.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6709541211 + ... + 6709546160.

It is an arithmetic number, because the mean of its divisors is an integer number (1802630736972).

Almost surely, 2^{33212241243225} is an apocalyptic number.

It is an amenable number.

33212241243225 is a deficient number, since it is larger than the sum of its proper divisors (31682465287767).

33212241243225 is a wasteful number, since it uses less digits than its factorization.

33212241243225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13419087398 (or 13419087390 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

Adding to 33212241243225 its reverse (52234214221233), we get a palindrome (85446455464458).

The spelling of 33212241243225 in words is "thirty-three trillion, two hundred twelve billion, two hundred forty-one million, two hundred forty-three thousand, two hundred twenty-five".