20120211111202 has 8 divisors (see below), whose sum is σ = 30479131683612. Its totient is φ = 9960500550000.

The previous prime is 20120211111151. The next prime is 20120211111233. The reversal of 20120211111202 is 20211111202102.

It can be written as a sum of positive squares in 2 ways, for example, as 18628468877041 + 1491742234161 = 4316071^2 + 1221369^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49802502549 + ... + 49802502952.

Almost surely, 2^{20120211111202} is an apocalyptic number.

20120211111202 is a deficient number, since it is larger than the sum of its proper divisors (10358920572410).

20120211111202 is a wasteful number, since it uses less digits than its factorization.

20120211111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99605005604.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20120211111202 its reverse (20211111202102), we get a palindrome (40331322313304).

The spelling of 20120211111202 in words is "twenty trillion, one hundred twenty billion, two hundred eleven million, one hundred eleven thousand, two hundred two".