30201231120 has 120 divisors (see below), whose sum is σ = 98811014976. Its totient is φ = 7629762816.

The previous prime is 30201231083. The next prime is 30201231121. The reversal of 30201231120 is 2113210203.

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

It is a super-2 number, since 2×30201231120² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30201231120.

It is not an unprimeable number, because it can be changed into a prime (30201231121) 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, 87652 + ... + 260931.

Almost surely, 2^30201231120 is an apocalyptic number.

30201231120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30201231120 is an abundant number, since it is smaller than the sum of its proper divisors (68609783856).

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

30201231120 is a wasteful number, since it uses less digits than its factorization.

30201231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348637 (or 348612 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30201231120 its reverse (2113210203), we get a palindrome (32314441323).

The spelling of 30201231120 in words is "thirty billion, two hundred one million, two hundred thirty-one thousand, one hundred twenty".