100120312210 has 16 divisors (see below), whose sum is σ = 190817536536. Its totient is φ = 37692352768.

The previous prime is 100120312181. The next prime is 100120312231. The reversal of 100120312210 is 12213021001.

It can be written as a sum of positive squares in 4 ways, for example, as 97639375729 + 2480936481 = 312473^2 + 49809^2 .

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, 294471337 + ... + 294471676.

Almost surely, 2^100120312210 is an apocalyptic number.

100120312210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100120312210 is a deficient number, since it is larger than the sum of its proper divisors (90697224326).

100120312210 is a wasteful number, since it uses less digits than its factorization.

100120312210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588943037.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 100120312210 its reverse (12213021001), we get a palindrome (112333333211).

The spelling of 100120312210 in words is "one hundred billion, one hundred twenty million, three hundred twelve thousand, two hundred ten".