220001021020012 has 6 divisors (see below), whose sum is σ = 385001786785028. Its totient is φ = 110000510510004.

The previous prime is 220001021020007. The next prime is 220001021020057. The reversal of 220001021020012 is 210020120100022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220001021019974 and 220001021020001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27500127627498 + ... + 27500127627505.

Almost surely, 2^{220001021020012} is an apocalyptic number.

It is an amenable number.

220001021020012 is a deficient number, since it is larger than the sum of its proper divisors (165000765765016).

220001021020012 is a wasteful number, since it uses less digits than its factorization.

220001021020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55000255255007 (or 55000255255005 counting only the distinct ones).

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

Adding to 220001021020012 its reverse (210020120100022), we get a palindrome (430021141120034).

The spelling of 220001021020012 in words is "two hundred twenty trillion, one billion, twenty-one million, twenty thousand, twelve".