33213030000000 has 256 divisors, whose sum is σ = 110277455970240. Its totient is φ = 8856800000000.

The previous prime is 33213029999987. The next prime is 33213030000011. The reversal of 33213030000000 is 3031233.

It is a super-2 number, since 2×33213030000000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29446450 + ... + 30553550.

Almost surely, 2^{33213030000000} is an apocalyptic number.

33213030000000 is a gapful number since it is divisible by the number (30) 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 33213030000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55138727985120).

33213030000000 is an abundant number, since it is smaller than the sum of its proper divisors (77064425970240).

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

33213030000000 is an frugal number, since it uses more digits than its factorization.

33213030000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107153 (or 1107111 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 15.

Adding to 33213030000000 its reverse (3031233), we get a palindrome (33213033031233).

The spelling of 33213030000000 in words is "thirty-three trillion, two hundred thirteen billion, thirty million", and thus it is an aban number.