42121113000412 has 24 divisors (see below), whose sum is σ = 80739253118160. Its totient is φ = 19138193329920.

The previous prime is 42121113000401. The next prime is 42121113000419. The reversal of 42121113000412 is 21400031112124.

It is a super-2 number, since 2×42121113000412² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42121113000419) 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, 10679793414 + ... + 10679797357.

It is an arithmetic number, because the mean of its divisors is an integer number (3364135546590).

Almost surely, 2^{42121113000412} is an apocalyptic number.

It is an amenable number.

42121113000412 is a deficient number, since it is larger than the sum of its proper divisors (38618140117748).

42121113000412 is a wasteful number, since it uses less digits than its factorization.

42121113000412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21359590821 (or 21359590819 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 42121113000412 its reverse (21400031112124), we get a palindrome (63521144112536).

The spelling of 42121113000412 in words is "forty-two trillion, one hundred twenty-one billion, one hundred thirteen million, four hundred twelve", and thus it is an aban number.