20120030102231 has 4 divisors (see below), whose sum is σ = 21178979055000. Its totient is φ = 19061081149464.

The previous prime is 20120030102147. The next prime is 20120030102261. The reversal of 20120030102231 is 13220103002102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20120030102231 - 2¹⁴ = 20120030085847 is a prime.

It is a super-2 number, since 2×20120030102231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120030102261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529474476356 + ... + 529474476393.

It is an arithmetic number, because the mean of its divisors is an integer number (5294744763750).

Almost surely, 2^{20120030102231} is an apocalyptic number.

20120030102231 is a deficient number, since it is larger than the sum of its proper divisors (1058948952769).

20120030102231 is a wasteful number, since it uses less digits than its factorization.

20120030102231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058948952768.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20120030102231 its reverse (13220103002102), we get a palindrome (33340133104333).

The spelling of 20120030102231 in words is "twenty trillion, one hundred twenty billion, thirty million, one hundred two thousand, two hundred thirty-one".