20011232212 has 48 divisors (see below), whose sum is σ = 37285879680. Its totient is φ = 9370512000.

The previous prime is 20011232203. The next prime is 20011232221. The reversal of 20011232212 is 21223211002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20011232203) and next prime (20011232221).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6116137 + ... + 6119407.

It is an arithmetic number, because the mean of its divisors is an integer number (776789160).

Almost surely, 2^20011232212 is an apocalyptic number.

It is an amenable number.

20011232212 is a deficient number, since it is larger than the sum of its proper divisors (17274647468).

20011232212 is a wasteful number, since it uses less digits than its factorization.

20011232212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4192 (or 4190 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20011232212 its reverse (21223211002), we get a palindrome (41234443214).

It can be divided in two parts, 200112 and 32212, that added together give a square (232324 = 482²).

The spelling of 20011232212 in words is "twenty billion, eleven million, two hundred thirty-two thousand, two hundred twelve".