30103030321212 has 48 divisors (see below), whose sum is σ = 70372290925440. Its totient is φ = 10015504279872.

The previous prime is 30103030321201. The next prime is 30103030321249. The reversal of 30103030321212 is 21212303030103.

It is an alternating number because its digits alternate between odd and even.

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, 147384463 + ... + 147588569.

It is an arithmetic number, because the mean of its divisors is an integer number (1466089394280).

Almost surely, 2^{30103030321212} is an apocalyptic number.

It is an amenable number.

30103030321212 is an abundant number, since it is smaller than the sum of its proper divisors (40269260604228).

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

30103030321212 is a wasteful number, since it uses less digits than its factorization.

30103030321212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227130 (or 227128 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30103030321212 its reverse (21212303030103), we get a palindrome (51315333351315).

The spelling of 30103030321212 in words is "thirty trillion, one hundred three billion, thirty million, three hundred twenty-one thousand, two hundred twelve".