30212121230 has 32 divisors (see below), whose sum is σ = 55582692480. Its totient is φ = 11818393600.

The previous prime is 30212121221. The next prime is 30212121271. The reversal of 30212121230 is 3212121203.

It is a junction number, because it is equal to n+sod(n) for n = 30212121199 and 30212121208.

It is a congruent number.

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, 586766 + ... + 636174.

It is an arithmetic number, because the mean of its divisors is an integer number (1736959140).

Almost surely, 2^30212121230 is an apocalyptic number.

30212121230 is a deficient number, since it is larger than the sum of its proper divisors (25370571250).

30212121230 is a wasteful number, since it uses less digits than its factorization.

30212121230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50764.

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

Adding to 30212121230 its reverse (3212121203), we get a palindrome (33424242433).

The spelling of 30212121230 in words is "thirty billion, two hundred twelve million, one hundred twenty-one thousand, two hundred thirty".