100103421212 has 12 divisors (see below), whose sum is σ = 178052807016. Its totient is φ = 49231190640.

The previous prime is 100103421107. The next prime is 100103421217. The reversal of 100103421212 is 212124301001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100103421217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205129718 + ... + 205130205.

It is an arithmetic number, because the mean of its divisors is an integer number (14837733918).

Almost surely, 2^100103421212 is an apocalyptic number.

It is an amenable number.

100103421212 is a deficient number, since it is larger than the sum of its proper divisors (77949385804).

100103421212 is a wasteful number, since it uses less digits than its factorization.

100103421212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410259988 (or 410259986 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 100103421212 its reverse (212124301001), we get a palindrome (312227722213).

The spelling of 100103421212 in words is "one hundred billion, one hundred three million, four hundred twenty-one thousand, two hundred twelve".