33030021221230 has 32 divisors (see below), whose sum is σ = 64894066997760. Its totient is φ = 12004413801120.

The previous prime is 33030021221191. The next prime is 33030021221233. The reversal of 33030021221230 is 3212212003033.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33030021221233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81083490 + ... + 81489829.

It is an arithmetic number, because the mean of its divisors is an integer number (2027939593680).

Almost surely, 2^{33030021221230} is an apocalyptic number.

33030021221230 is a deficient number, since it is larger than the sum of its proper divisors (31864045776530).

33030021221230 is a wasteful number, since it uses less digits than its factorization.

33030021221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162575184.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 33030021221230 its reverse (3212212003033), we get a palindrome (36242233224263).

The spelling of 33030021221230 in words is "thirty-three trillion, thirty billion, twenty-one million, two hundred twenty-one thousand, two hundred thirty".