20120301213 has 4 divisors (see below), whose sum is σ = 26827068288. Its totient is φ = 13413534140.

The previous prime is 20120301209. The next prime is 20120301217. The reversal of 20120301213 is 31210302102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (20120301209) and next prime (20120301217).

It is a cyclic number.

It is not a de Polignac number, because 20120301213 - 2² = 20120301209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20120301192 and 20120301201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120301217) 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, 3353383533 + ... + 3353383538.

It is an arithmetic number, because the mean of its divisors is an integer number (6706767072).

Almost surely, 2^20120301213 is an apocalyptic number.

It is an amenable number.

20120301213 is a deficient number, since it is larger than the sum of its proper divisors (6706767075).

20120301213 is an equidigital number, since it uses as much as digits as its factorization.

20120301213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6706767074.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20120301213 its reverse (31210302102), we get a palindrome (51330603315).

The spelling of 20120301213 in words is "twenty billion, one hundred twenty million, three hundred one thousand, two hundred thirteen".