120000030102 has 48 divisors (see below), whose sum is σ = 275102483760. Its totient is φ = 37698379776.

The previous prime is 120000030079. The next prime is 120000030107. The reversal of 120000030102 is 201030000021.

It is a happy number.

It is a super-2 number, since 2×120000030102² (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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000030107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 843003 + ... + 975014.

It is an arithmetic number, because the mean of its divisors is an integer number (5731301745).

Almost surely, 2^120000030102 is an apocalyptic number.

120000030102 is an abundant number, since it is smaller than the sum of its proper divisors (155102453658).

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

120000030102 is a wasteful number, since it uses less digits than its factorization.

120000030102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818237 (or 1818234 counting only the distinct ones).

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

Adding to 120000030102 its reverse (201030000021), we get a palindrome (321030030123).

The spelling of 120000030102 in words is "one hundred twenty billion, thirty thousand, one hundred two".