42121241412 has 48 divisors (see below), whose sum is σ = 100751878080. Its totient is φ = 13690954368.

The previous prime is 42121241401. The next prime is 42121241423. The reversal of 42121241412 is 21414212124.

It is a happy number.

42121241412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42121241401) and next prime (42121241423).

It is a nude number because it is divisible by every one of its digits.

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, 99487 + ... + 306822.

It is an arithmetic number, because the mean of its divisors is an integer number (2098997460).

Almost surely, 2^42121241412 is an apocalyptic number.

It is an amenable number.

42121241412 is an abundant number, since it is smaller than the sum of its proper divisors (58630636668).

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

42121241412 is a wasteful number, since it uses less digits than its factorization.

42121241412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406532 (or 406530 counting only the distinct ones).

The product of its digits is 1024, while the sum is 24.

Adding to 42121241412 its reverse (21414212124), we get a palindrome (63535453536).

The spelling of 42121241412 in words is "forty-two billion, one hundred twenty-one million, two hundred forty-one thousand, four hundred twelve".