302030123121 has 12 divisors (see below), whose sum is σ = 441167596740. Its totient is φ = 199091016960.

The previous prime is 302030123119. The next prime is 302030123123. The reversal of 302030123121 is 121321030203.

302030123121 is a `hidden beast` number, since 30 + 20 + 301 + 2 + 312 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (302030123119) and next prime (302030123123).

It can be written as a sum of positive squares in 2 ways, for example, as 90279216225 + 211750906896 = 300465^2 + 460164^2 .

It is not a de Polignac number, because 302030123121 - 2¹ = 302030123119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 302030123094 and 302030123103.

It is not an unprimeable number, because it can be changed into a prime (302030123123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188532360 + ... + 188533961.

It is an arithmetic number, because the mean of its divisors is an integer number (36763966395).

Almost surely, 2^302030123121 is an apocalyptic number.

It is an amenable number.

302030123121 is a deficient number, since it is larger than the sum of its proper divisors (139137473619).

302030123121 is a wasteful number, since it uses less digits than its factorization.

302030123121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377066416 (or 377066413 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 302030123121 its reverse (121321030203), we get a palindrome (423351153324).

The spelling of 302030123121 in words is "three hundred two billion, thirty million, one hundred twenty-three thousand, one hundred twenty-one".