33130212040 has 32 divisors (see below), whose sum is σ = 74577012480. Its totient is φ = 13246034112.

The previous prime is 33130212029. The next prime is 33130212041. The reversal of 33130212040 is 4021203133.

It is a super-2 number, since 2×33130212040² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33130211999 and 33130212017.

It is not an unprimeable number, because it can be changed into a prime (33130212041) 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, 99864 + ... + 276103.

It is an arithmetic number, because the mean of its divisors is an integer number (2330531640).

Almost surely, 2^33130212040 is an apocalyptic number.

It is an amenable number.

33130212040 is an abundant number, since it is smaller than the sum of its proper divisors (41446800440).

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

33130212040 is a wasteful number, since it uses less digits than its factorization.

33130212040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378181 (or 378177 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 33130212040 its reverse (4021203133), we get a palindrome (37151415173).

The spelling of 33130212040 in words is "thirty-three billion, one hundred thirty million, two hundred twelve thousand, forty".