301213021212 has 18 divisors (see below), whose sum is σ = 761399581488. Its totient is φ = 100404340392.

The previous prime is 301213021189. The next prime is 301213021261. The reversal of 301213021212 is 212120312103.

301213021212 is a `hidden beast` number, since 30 + 121 + 302 + 1 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4183514148 + ... + 4183514219.

Almost surely, 2^301213021212 is an apocalyptic number.

It is an amenable number.

301213021212 is an abundant number, since it is smaller than the sum of its proper divisors (460186560276).

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

301213021212 is a wasteful number, since it uses less digits than its factorization.

301213021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8367028377 (or 8367028372 counting only the distinct ones).

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

Adding to 301213021212 its reverse (212120312103), we get a palindrome (513333333315).

The spelling of 301213021212 in words is "three hundred one billion, two hundred thirteen million, twenty-one thousand, two hundred twelve".