30201220230312 has 64 divisors (see below), whose sum is σ = 75930490324800. Its totient is φ = 10010089794560.

The previous prime is 30201220230289. The next prime is 30201220230323. The reversal of 30201220230312 is 21303202210203.

It is a happy number.

It is a super-2 number, since 2×30201220230312² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59206978 + ... + 59714894.

It is an arithmetic number, because the mean of its divisors is an integer number (1186413911325).

Almost surely, 2^{30201220230312} is an apocalyptic number.

It is an amenable number.

30201220230312 is an abundant number, since it is smaller than the sum of its proper divisors (45729270094488).

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

30201220230312 is a wasteful number, since it uses less digits than its factorization.

30201220230312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521946 (or 521942 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30201220230312 its reverse (21303202210203), we get a palindrome (51504422440515).

The spelling of 30201220230312 in words is "thirty trillion, two hundred one billion, two hundred twenty million, two hundred thirty thousand, three hundred twelve".