100030122000 has 120 divisors (see below), whose sum is σ = 349371935640. Its totient is φ = 26674694400.

The previous prime is 100030121977. The next prime is 100030122011. The reversal of 100030122000 is 221030001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8381036304 + 91649085696 = 91548^2 + 302736^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2760615 + ... + 2796614.

It is an arithmetic number, because the mean of its divisors is an integer number (2911432797).

Almost surely, 2^100030122000 is an apocalyptic number.

100030122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100030122000 is an abundant number, since it is smaller than the sum of its proper divisors (249341813640).

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

100030122000 is a wasteful number, since it uses less digits than its factorization.

100030122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5557258 (or 5557239 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 100030122000 its reverse (221030001), we get a palindrome (100251152001).

The spelling of 100030122000 in words is "one hundred billion, thirty million, one hundred twenty-two thousand".