303030301212 has 72 divisors (see below), whose sum is σ = 819082070352. Its totient is φ = 94127040000.

The previous prime is 303030301207. The next prime is 303030301271. The reversal of 303030301212 is 212103030303.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 2389414 + ... + 2513037.

It is an arithmetic number, because the mean of its divisors is an integer number (11376139866).

Almost surely, 2^303030301212 is an apocalyptic number.

It is an amenable number.

303030301212 is an abundant number, since it is smaller than the sum of its proper divisors (516051769140).

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

303030301212 is a wasteful number, since it uses less digits than its factorization.

303030301212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4902579 (or 4902574 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 303030301212 its reverse (212103030303), we get a palindrome (515133331515).

The spelling of 303030301212 in words is "three hundred three billion, thirty million, three hundred one thousand, two hundred twelve".