30103200120 has 64 divisors (see below), whose sum is σ = 103210974720. Its totient is φ = 6880731264.

The previous prime is 30103200089. The next prime is 30103200121. The reversal of 30103200120 is 2100230103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 30103200096 and 30103200105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30103200121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17917732 + ... + 17919411.

It is an arithmetic number, because the mean of its divisors is an integer number (1612671480).

Almost surely, 2^30103200120 is an apocalyptic number.

30103200120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30103200120 is an abundant number, since it is smaller than the sum of its proper divisors (73107774600).

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

30103200120 is a wasteful number, since it uses less digits than its factorization.

30103200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35837164 (or 35837160 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 30103200120 its reverse (2100230103), we get a palindrome (32203430223).

The spelling of 30103200120 in words is "thirty billion, one hundred three million, two hundred thousand, one hundred twenty".