30001201988 has 12 divisors (see below), whose sum is σ = 52503622080. Its totient is φ = 15000167112.

The previous prime is 30001201981. The next prime is 30001202051. The reversal of 30001201988 is 88910210003.

It is not an unprimeable number, because it can be changed into a prime (30001201981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85745 + ... + 259527.

It is an arithmetic number, because the mean of its divisors is an integer number (4375301840).

Almost surely, 2^30001201988 is an apocalyptic number.

It is an amenable number.

30001201988 is a deficient number, since it is larger than the sum of its proper divisors (22502420092).

30001201988 is a wasteful number, since it uses less digits than its factorization.

30001201988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216946 (or 216944 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 30001201988 in words is "thirty billion, one million, two hundred one thousand, nine hundred eighty-eight".