33143040412 has 24 divisors (see below), whose sum is σ = 61058995200. Its totient is φ = 15697785456.

The previous prime is 33143040409. The next prime is 33143040433. The reversal of 33143040412 is 21404034133.

It is a super-2 number, since 2×33143040412² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1226883 + ... + 1253605.

It is an arithmetic number, because the mean of its divisors is an integer number (2544124800).

Almost surely, 2^33143040412 is an apocalyptic number.

It is an amenable number.

33143040412 is a deficient number, since it is larger than the sum of its proper divisors (27915954788).

33143040412 is a wasteful number, since it uses less digits than its factorization.

33143040412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43065 (or 43063 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 33143040412 its reverse (21404034133), we get a palindrome (54547074545).

The spelling of 33143040412 in words is "thirty-three billion, one hundred forty-three million, forty thousand, four hundred twelve".