42151205112 has 32 divisors (see below), whose sum is σ = 107828666880. Its totient is φ = 13723647840.

The previous prime is 42151205081. The next prime is 42151205119. The reversal of 42151205112 is 21150215124.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42151205119) 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, 20421064 + ... + 20423127.

It is an arithmetic number, because the mean of its divisors is an integer number (3369645840).

Almost surely, 2^42151205112 is an apocalyptic number.

It is an amenable number.

42151205112 is an abundant number, since it is smaller than the sum of its proper divisors (65677461768).

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

42151205112 is a wasteful number, since it uses less digits than its factorization.

42151205112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40844243 (or 40844239 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The spelling of 42151205112 in words is "forty-two billion, one hundred fifty-one million, two hundred five thousand, one hundred twelve".