30121001302212 has 72 divisors (see below), whose sum is σ = 78235371614400. Its totient is φ = 9764181453888.

The previous prime is 30121001302163. The next prime is 30121001302219. The reversal of 30121001302212 is 21220310012103.

30121001302212 is a `hidden beast` number, since 30 + 121 + 0 + 0 + 1 + 302 + 212 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (30121001302219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2829262 + ... + 8261157.

Almost surely, 2^{30121001302212} is an apocalyptic number.

It is an amenable number.

30121001302212 is an abundant number, since it is smaller than the sum of its proper divisors (48114370312188).

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

30121001302212 is a wasteful number, since it uses less digits than its factorization.

30121001302212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11092505 (or 11092500 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30121001302212 its reverse (21220310012103), we get a palindrome (51341311314315).

The spelling of 30121001302212 in words is "thirty trillion, one hundred twenty-one billion, one million, three hundred two thousand, two hundred twelve".