40122135012 has 48 divisors (see below), whose sum is σ = 95219953920. Its totient is φ = 13146098592.

The previous prime is 40122134993. The next prime is 40122135037. The reversal of 40122135012 is 21053122104.

It is a self number, because there is not a number n which added to its sum of digits gives 40122135012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322039 + ... + 428897.

It is an arithmetic number, because the mean of its divisors is an integer number (1983749040).

Almost surely, 2^40122135012 is an apocalyptic number.

It is an amenable number.

40122135012 is an abundant number, since it is smaller than the sum of its proper divisors (55097818908).

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

40122135012 is a wasteful number, since it uses less digits than its factorization.

40122135012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107400 (or 107398 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 40122135012 its reverse (21053122104), we get a palindrome (61175257116).

The spelling of 40122135012 in words is "forty billion, one hundred twenty-two million, one hundred thirty-five thousand, twelve".