100212021232 has 20 divisors (see below), whose sum is σ = 194191957080. Its totient is φ = 50097967808.

The previous prime is 100212021187. The next prime is 100212021241. The reversal of 100212021232 is 232120212001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

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 3 ways as a sum of consecutive naturals, for example, 399238 + ... + 599845.

It is an arithmetic number, because the mean of its divisors is an integer number (9709597854).

Almost surely, 2^100212021232 is an apocalyptic number.

It is an amenable number.

100212021232 is a deficient number, since it is larger than the sum of its proper divisors (93979935848).

100212021232 is an equidigital number, since it uses as much as digits as its factorization.

100212021232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005360 (or 1005354 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 100212021232 its reverse (232120212001), we get a palindrome (332332233233).

The spelling of 100212021232 in words is "one hundred billion, two hundred twelve million, twenty-one thousand, two hundred thirty-two".