30201203012121 has 16 divisors (see below), whose sum is σ = 44742706646400. Its totient is φ = 20134052691984.

The previous prime is 30201203012117. The next prime is 30201203012131. The reversal of 30201203012121 is 12121030210203.

30201203012121 is a `hidden beast` number, since 30 + 2 + 0 + 120 + 301 + 212 + 1 = 666.

It is not a de Polignac number, because 30201203012121 - 2² = 30201203012117 is a prime.

It is a super-2 number, since 2×30201203012121² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30201203012094 and 30201203012103.

It is not an unprimeable number, because it can be changed into a prime (30201203012131) 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, 4802455 + ... + 9135971.

It is an arithmetic number, because the mean of its divisors is an integer number (2796419165400).

Almost surely, 2^{30201203012121} is an apocalyptic number.

It is an amenable number.

30201203012121 is a deficient number, since it is larger than the sum of its proper divisors (14541503634279).

30201203012121 is a wasteful number, since it uses less digits than its factorization.

30201203012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591645 (or 4591639 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30201203012121 its reverse (12121030210203), we get a palindrome (42322233222324).

The spelling of 30201203012121 in words is "thirty trillion, two hundred one billion, two hundred three million, twelve thousand, one hundred twenty-one".