30101210252 has 12 divisors (see below), whose sum is σ = 52727341800. Its totient is φ = 15036255456.

The previous prime is 30101210221. The next prime is 30101210291. The reversal of 30101210252 is 25201210103.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30101210252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3582698 + ... + 3591089.

It is an arithmetic number, because the mean of its divisors is an integer number (4393945150).

Almost surely, 2^30101210252 is an apocalyptic number.

It is an amenable number.

30101210252 is a deficient number, since it is larger than the sum of its proper divisors (22626131548).

30101210252 is a wasteful number, since it uses less digits than its factorization.

30101210252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7174840 (or 7174838 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 30101210252 its reverse (25201210103), we get a palindrome (55302420355).

The spelling of 30101210252 in words is "thirty billion, one hundred one million, two hundred ten thousand, two hundred fifty-two".