100102001221212 has 24 divisors (see below), whose sum is σ = 233784254478096. Its totient is φ = 33336916841088.

The previous prime is 100102001221141. The next prime is 100102001221241. The reversal of 100102001221212 is 212122100201001.

It is a junction number, because it is equal to n+sod(n) for n = 100102001221191 and 100102001221200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3802098703 + ... + 3802125030.

It is an arithmetic number, because the mean of its divisors is an integer number (9741010603254).

Almost surely, 2^{100102001221212} is an apocalyptic number.

100102001221212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100102001221212 is an abundant number, since it is smaller than the sum of its proper divisors (133682253256884).

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

100102001221212 is a wasteful number, since it uses less digits than its factorization.

100102001221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7604224837 (or 7604224835 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100102001221212 its reverse (212122100201001), we get a palindrome (312224101422213).

The spelling of 100102001221212 in words is "one hundred trillion, one hundred two billion, one million, two hundred twenty-one thousand, two hundred twelve".