212120220011202 has 12 divisors (see below), whose sum is σ = 459593810024310. Its totient is φ = 70706740003728.

The previous prime is 212120220011159. The next prime is 212120220011243. The reversal of 212120220011202 is 202110022021212.

It is a happy number.

212120220011202 is a `hidden beast` number, since 21 + 212 + 0 + 220 + 0 + 11 + 202 = 666.

It can be written as a sum of positive squares in only one way, i.e., 193039040034801 + 19081179976401 = 13893849^2 + 4368201^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11784456667289 = 212120220011202 / (2 + 1 + 2 + 1 + 2 + 0 + 2 + 2 + 0 + 0 + 1 + 1 + 2 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5892228333627 + ... + 5892228333662.

Almost surely, 2^{212120220011202} is an apocalyptic number.

212120220011202 is an abundant number, since it is smaller than the sum of its proper divisors (247473590013108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212120220011202 is a wasteful number, since it uses less digits than its factorization.

212120220011202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11784456667297 (or 11784456667294 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212120220011202 its reverse (202110022021212), we get a palindrome (414230242032414).

The spelling of 212120220011202 in words is "two hundred twelve trillion, one hundred twenty billion, two hundred twenty million, eleven thousand, two hundred two".