33100030212 has 12 divisors (see below), whose sum is σ = 77233403856. Its totient is φ = 11033343400.

The previous prime is 33100030211. The next prime is 33100030213. The reversal of 33100030212 is 21203000133.

It is an interprime number because it is at equal distance from previous prime (33100030211) and next prime (33100030213).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×33100030212² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33100030191 and 33100030200.

It is not an unprimeable number, because it can be changed into a prime (33100030211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1379167914 + ... + 1379167937.

It is an arithmetic number, because the mean of its divisors is an integer number (6436116988).

Almost surely, 2^33100030212 is an apocalyptic number.

It is an amenable number.

33100030212 is an abundant number, since it is smaller than the sum of its proper divisors (44133373644).

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

33100030212 is a wasteful number, since it uses less digits than its factorization.

33100030212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758335858 (or 2758335856 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 33100030212 its reverse (21203000133), we get a palindrome (54303030345).

The spelling of 33100030212 in words is "thirty-three billion, one hundred million, thirty thousand, two hundred twelve".