20012200020212 has 6 divisors (see below), whose sum is σ = 35021350035378. Its totient is φ = 10006100010104.

The previous prime is 20012200020179. The next prime is 20012200020221. The reversal of 20012200020212 is 21202000221002.

It can be written as a sum of positive squares in only one way, i.e., 18435653592976 + 1576546427236 = 4293676^2 + 1255606^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501525002523 + ... + 2501525002530.

It is an arithmetic number, because the mean of its divisors is an integer number (5836891672563).

Almost surely, 2^{20012200020212} is an apocalyptic number.

It is an amenable number.

20012200020212 is a deficient number, since it is larger than the sum of its proper divisors (15009150015166).

20012200020212 is a wasteful number, since it uses less digits than its factorization.

20012200020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003050005057 (or 5003050005055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20012200020212 its reverse (21202000221002), we get a palindrome (41214200241214).

The spelling of 20012200020212 in words is "twenty trillion, twelve billion, two hundred million, twenty thousand, two hundred twelve".