42120132044212 has 48 divisors (see below), whose sum is σ = 74270427783552. Its totient is φ = 20900763434880.

The previous prime is 42120132044191. The next prime is 42120132044371. The reversal of 42120132044212 is 21244023102124.

It is a congruent number.

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, 301087162 + ... + 301227022.

It is an arithmetic number, because the mean of its divisors is an integer number (1547300578824).

Almost surely, 2^{42120132044212} is an apocalyptic number.

It is an amenable number.

42120132044212 is a deficient number, since it is larger than the sum of its proper divisors (32150295739340).

42120132044212 is a wasteful number, since it uses less digits than its factorization.

42120132044212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141208 (or 141206 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 42120132044212 its reverse (21244023102124), we get a palindrome (63364155146336).

The spelling of 42120132044212 in words is "forty-two trillion, one hundred twenty billion, one hundred thirty-two million, forty-four thousand, two hundred twelve".