20121032211 has 8 divisors (see below), whose sum is σ = 30660620544. Its totient is φ = 11497732680.

The previous prime is 20121032147. The next prime is 20121032221. The reversal of 20121032211 is 11223012102.

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

It is not a de Polignac number, because 20121032211 - 2⁶ = 20121032147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20121032221) 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, 479072175 + ... + 479072216.

It is an arithmetic number, because the mean of its divisors is an integer number (3832577568).

Almost surely, 2^20121032211 is an apocalyptic number.

20121032211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20121032211 is a deficient number, since it is larger than the sum of its proper divisors (10539588333).

20121032211 is an equidigital number, since it uses as much as digits as its factorization.

20121032211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958144401.

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

Adding to 20121032211 its reverse (11223012102), we get a palindrome (31344044313).

The spelling of 20121032211 in words is "twenty billion, one hundred twenty-one million, thirty-two thousand, two hundred eleven".