30245021200 has 30 divisors (see below), whose sum is σ = 72663664394. Its totient is φ = 12098008320.

The previous prime is 30245021173. The next prime is 30245021251. The reversal of 30245021200 is 212054203.

It can be written as a sum of positive squares in 3 ways, for example, as 450118656 + 29794902544 = 21216^2 + 172612^2 .

It is a super-2 number, since 2×30245021200² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37805877 + ... + 37806676.

Almost surely, 2^30245021200 is an apocalyptic number.

It is an amenable number.

30245021200 is an abundant number, since it is smaller than the sum of its proper divisors (42418643194).

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

30245021200 is a wasteful number, since it uses less digits than its factorization.

30245021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75612571 (or 75612560 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 30245021200 its reverse (212054203), we get a palindrome (30457075403).

The spelling of 30245021200 in words is "thirty billion, two hundred forty-five million, twenty-one thousand, two hundred".