33012211450 has 12 divisors (see below), whose sum is σ = 61402713390. Its totient is φ = 13204884560.

The previous prime is 33012211433. The next prime is 33012211483. The reversal of 33012211450 is 5411221033.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 12175577649 + 20836633801 = 110343^2 + 144349^2 .

It is a super-2 number, since 2×33012211450² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 330122065 + ... + 330122164.

Almost surely, 2^33012211450 is an apocalyptic number.

33012211450 is a deficient number, since it is larger than the sum of its proper divisors (28390501940).

33012211450 is a wasteful number, since it uses less digits than its factorization.

33012211450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660244241 (or 660244236 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 33012211450 its reverse (5411221033), we get a palindrome (38423432483).

The spelling of 33012211450 in words is "thirty-three billion, twelve million, two hundred eleven thousand, four hundred fifty".