20120211201 has 8 divisors (see below), whose sum is σ = 27692333824. Its totient is φ = 12980781360.

The previous prime is 20120211191. The next prime is 20120211203. The reversal of 20120211201 is 10211202102.

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

It is not a de Polignac number, because 20120211201 - 2⁵ = 20120211169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20120211203) 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, 108173086 + ... + 108173271.

It is an arithmetic number, because the mean of its divisors is an integer number (3461541728).

Almost surely, 2^20120211201 is an apocalyptic number.

It is an amenable number.

20120211201 is a deficient number, since it is larger than the sum of its proper divisors (7572122623).

20120211201 is a wasteful number, since it uses less digits than its factorization.

20120211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216346391.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20120211201 its reverse (10211202102), we get a palindrome (30331413303).

Subtracting from 20120211201 its reverse (10211202102), we obtain a palindrome (9909009099).

The spelling of 20120211201 in words is "twenty billion, one hundred twenty million, two hundred eleven thousand, two hundred one".