30031202121200 has 120 divisors (see below), whose sum is σ = 82466441193888. Its totient is φ = 10295245808640.

The previous prime is 30031202121187. The next prime is 30031202121211. The reversal of 30031202121200 is 212120213003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24297374 + ... + 25503426.

Almost surely, 2^{30031202121200} is an apocalyptic number.

It is an amenable number.

30031202121200 is an abundant number, since it is smaller than the sum of its proper divisors (52435239072688).

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

30031202121200 is a wasteful number, since it uses less digits than its factorization.

30031202121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214971 (or 1214960 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30031202121200 its reverse (212120213003), we get a palindrome (30243322334203).

The spelling of 30031202121200 in words is "thirty trillion, thirty-one billion, two hundred two million, one hundred twenty-one thousand, two hundred".