100012190 has 32 divisors (see below), whose sum is σ = 193246560. Its totient is φ = 37131264.

The previous prime is 100012189. The next prime is 100012217. The reversal of 100012190 is 91210001.

It is a super-2 number, since 2×100012190² = 20004876297192200, which contains 22 as substring.

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, 8381 + ... + 16439.

It is an arithmetic number, because the mean of its divisors is an integer number (6038955).

Almost surely, 2^100012190 is an apocalyptic number.

100012190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100012190 is a deficient number, since it is larger than the sum of its proper divisors (93234370).

100012190 is a wasteful number, since it uses less digits than its factorization.

100012190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8156.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 100012190 is about 10000.6094814266. The cubic root of 100012190 is about 464.1777429176.

Adding to 100012190 its reverse (91210001), we get a palindrome (191222191).

The spelling of 100012190 in words is "one hundred million, twelve thousand, one hundred ninety".