100212191000 has 64 divisors (see below), whose sum is σ = 235901090880. Its totient is φ = 39844780800.

The previous prime is 100212190999. The next prime is 100212191047. The reversal of 100212191000 is 191212001.

It is a self number, because there is not a number n which added to its sum of digits gives 100212191000.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 133037 + ... + 467036.

It is an arithmetic number, because the mean of its divisors is an integer number (3685954545).

Almost surely, 2^100212191000 is an apocalyptic number.

100212191000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100212191000 is an abundant number, since it is smaller than the sum of its proper divisors (135688899880).

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

100212191000 is a wasteful number, since it uses less digits than its factorization.

100212191000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600261 (or 600247 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 100212191000 in words is "one hundred billion, two hundred twelve million, one hundred ninety-one thousand".