100312221230 has 16 divisors (see below), whose sum is σ = 194451382944. Its totient is φ = 37038358560.

The previous prime is 100312221221. The next prime is 100312221259. The reversal of 100312221230 is 32122213001.

It is a junction number, because it is equal to n+sod(n) for n = 100312221199 and 100312221208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385816106 + ... + 385816365.

It is an arithmetic number, because the mean of its divisors is an integer number (12153211434).

Almost surely, 2^100312221230 is an apocalyptic number.

100312221230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100312221230 is a deficient number, since it is larger than the sum of its proper divisors (94139161714).

100312221230 is a wasteful number, since it uses less digits than its factorization.

100312221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771632491.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 100312221230 its reverse (32122213001), we get a palindrome (132434434231).

The spelling of 100312221230 in words is "one hundred billion, three hundred twelve million, two hundred twenty-one thousand, two hundred thirty".