42251005212 has 72 divisors (see below), whose sum is σ = 110196334080. Its totient is φ = 12580925760.

The previous prime is 42251005207. The next prime is 42251005217. The reversal of 42251005212 is 21250015224.

It is an interprime number because it is at equal distance from previous prime (42251005207) and next prime (42251005217).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42251005217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273162 + ... + 398897.

It is an arithmetic number, because the mean of its divisors is an integer number (1530504640).

Almost surely, 2^42251005212 is an apocalyptic number.

It is an amenable number.

42251005212 is an abundant number, since it is smaller than the sum of its proper divisors (67945328868).

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

42251005212 is a wasteful number, since it uses less digits than its factorization.

42251005212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672123 (or 672108 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The spelling of 42251005212 in words is "forty-two billion, two hundred fifty-one million, five thousand, two hundred twelve".