20122011213 has 8 divisors (see below), whose sum is σ = 26842236768. Its totient is φ = 13408229904.

The previous prime is 20122011149. The next prime is 20122011229. The reversal of 20122011213 is 31211022102.

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

It is not a de Polignac number, because 20122011213 - 2⁶ = 20122011149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20122011192 and 20122011201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122011713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1603770 + ... + 1616267.

It is an arithmetic number, because the mean of its divisors is an integer number (3355279596).

Almost surely, 2^20122011213 is an apocalyptic number.

It is an amenable number.

20122011213 is a deficient number, since it is larger than the sum of its proper divisors (6720225555).

20122011213 is a wasteful number, since it uses less digits than its factorization.

20122011213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222123.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20122011213 its reverse (31211022102), we get a palindrome (51333033315).

The spelling of 20122011213 in words is "twenty billion, one hundred twenty-two million, eleven thousand, two hundred thirteen".