222010001012 has 6 divisors (see below), whose sum is σ = 388517501778. Its totient is φ = 111005000504.

The previous prime is 222010000943. The next prime is 222010001027. The reversal of 222010001012 is 210100010222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 146937288976 + 75072712036 = 383324^2 + 273994^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222010000984 and 222010001002.

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, 27751250123 + ... + 27751250130.

It is an arithmetic number, because the mean of its divisors is an integer number (64752916963).

Almost surely, 2^222010001012 is an apocalyptic number.

It is an amenable number.

222010001012 is a deficient number, since it is larger than the sum of its proper divisors (166507500766).

222010001012 is a wasteful number, since it uses less digits than its factorization.

222010001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55502500257 (or 55502500255 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 222010001012 its reverse (210100010222), we get a palindrome (432110011234).

The spelling of 222010001012 in words is "two hundred twenty-two billion, ten million, one thousand, twelve".