40212133412 has 24 divisors (see below), whose sum is σ = 76893092640. Its totient is φ = 18248605760.

The previous prime is 40212133373. The next prime is 40212133433. The reversal of 40212133412 is 21433121204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713462 + ... + 767757.

It is an arithmetic number, because the mean of its divisors is an integer number (3203878860).

Almost surely, 2^40212133412 is an apocalyptic number.

It is an amenable number.

40212133412 is a deficient number, since it is larger than the sum of its proper divisors (36680959228).

40212133412 is a wasteful number, since it uses less digits than its factorization.

40212133412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481851 (or 1481849 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 40212133412 its reverse (21433121204), we get a palindrome (61645254616).

The spelling of 40212133412 in words is "forty billion, two hundred twelve million, one hundred thirty-three thousand, four hundred twelve".