120100020030 has 64 divisors (see below), whose sum is σ = 320541062400. Its totient is φ = 31999237920.

The previous prime is 120100020011. The next prime is 120100020031. The reversal of 120100020030 is 30020001021.

It is a happy number.

120100020030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×120100020030² (a number of 23 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 120100019994 and 120100020021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100020031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126241 + ... + 506099.

It is an arithmetic number, because the mean of its divisors is an integer number (5008454100).

Almost surely, 2^120100020030 is an apocalyptic number.

120100020030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120100020030 is an abundant number, since it is smaller than the sum of its proper divisors (200441042370).

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

120100020030 is a wasteful number, since it uses less digits than its factorization.

120100020030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381046 (or 381040 counting only the distinct ones).

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

Adding to 120100020030 its reverse (30020001021), we get a palindrome (150120021051).

The spelling of 120100020030 in words is "one hundred twenty billion, one hundred million, twenty thousand, thirty".