100158012 has 48 divisors (see below), whose sum is σ = 260359680. Its totient is φ = 33297264.

The previous prime is 100158011. The next prime is 100158013. The reversal of 100158012 is 210851001.

It is an interprime number because it is at equal distance from previous prime (100158011) and next prime (100158013).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100158011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49003 + ... + 51005.

It is an arithmetic number, because the mean of its divisors is an integer number (5424160).

Almost surely, 2^100158012 is an apocalyptic number.

100158012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100158012 is an abundant number, since it is smaller than the sum of its proper divisors (160201668).

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

100158012 is a wasteful number, since it uses less digits than its factorization.

100158012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479 (or 2471 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 100158012 is about 10007.8974814893. The cubic root of 100158012 is about 464.4032302855.

The spelling of 100158012 in words is "one hundred million, one hundred fifty-eight thousand, twelve".