220201001212 has 12 divisors (see below), whose sum is σ = 385355333440. Its totient is φ = 110099477376.

The previous prime is 220201001197. The next prime is 220201001221. The reversal of 220201001212 is 212100102022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220201001192 and 220201001201.

It is a congruent number.

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, 436693 + ... + 794419.

Almost surely, 2^220201001212 is an apocalyptic number.

It is an amenable number.

220201001212 is a deficient number, since it is larger than the sum of its proper divisors (165154332228).

220201001212 is a wasteful number, since it uses less digits than its factorization.

220201001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511620 (or 511618 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220201001212 its reverse (212100102022), we get a palindrome (432301103234).

The spelling of 220201001212 in words is "two hundred twenty billion, two hundred one million, one thousand, two hundred twelve".