30213321012 has 72 divisors (see below), whose sum is σ = 89064248000. Its totient is φ = 8632373904.

The previous prime is 30213321001. The next prime is 30213321023. The reversal of 30213321012 is 21012331203.

It is an interprime number because it is at equal distance from previous prime (30213321001) and next prime (30213321023).

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

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, 1211062 + ... + 1235757.

Almost surely, 2^30213321012 is an apocalyptic number.

It is an amenable number.

30213321012 is an abundant number, since it is smaller than the sum of its proper divisors (58850926988).

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

30213321012 is a wasteful number, since it uses less digits than its factorization.

30213321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446850 (or 2446831 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30213321012 its reverse (21012331203), we get a palindrome (51225652215).

The spelling of 30213321012 in words is "thirty billion, two hundred thirteen million, three hundred twenty-one thousand, twelve".