33213121210 has 16 divisors (see below), whose sum is σ = 59820573600. Its totient is φ = 13277036176.

The previous prime is 33213121121. The next prime is 33213121213. The reversal of 33213121210 is 1212131233.

It is a super-2 number, since 2×33213121210² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33213121213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1009540 + ... + 1041919.

It is an arithmetic number, because the mean of its divisors is an integer number (3738785850).

Almost surely, 2^33213121210 is an apocalyptic number.

33213121210 is a deficient number, since it is larger than the sum of its proper divisors (26607452390).

33213121210 is a wasteful number, since it uses less digits than its factorization.

33213121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053085.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 33213121210 its reverse (1212131233), we get a palindrome (34425252443).

The spelling of 33213121210 in words is "thirty-three billion, two hundred thirteen million, one hundred twenty-one thousand, two hundred ten".