30121202112213 has 8 divisors (see below), whose sum is σ = 40165831726848. Its totient is φ = 20078686952864.

The previous prime is 30121202112179. The next prime is 30121202112217. The reversal of 30121202112213 is 31221120212103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30121202112213 - 2⁹ = 30121202111701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30121202112213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121202112217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528580581 + ... + 528637562.

It is an arithmetic number, because the mean of its divisors is an integer number (5020728965856).

Almost surely, 2^{30121202112213} is an apocalyptic number.

It is an amenable number.

30121202112213 is a deficient number, since it is larger than the sum of its proper divisors (10044629614635).

30121202112213 is a wasteful number, since it uses less digits than its factorization.

30121202112213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057227643.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 30121202112213 its reverse (31221120212103), we get a palindrome (61342322324316).

The spelling of 30121202112213 in words is "thirty trillion, one hundred twenty-one billion, two hundred two million, one hundred twelve thousand, two hundred thirteen".