1220200012 has 6 divisors (see below), whose sum is σ = 2135350028. Its totient is φ = 610100004.

The previous prime is 1220199997. The next prime is 1220200013. The reversal of 1220200012 is 2100020221.

It is not an unprimeable number, because it can be changed into a prime (1220200013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152524998 + ... + 152525005.

Almost surely, 2^1220200012 is an apocalyptic number.

It is an amenable number.

1220200012 is a deficient number, since it is larger than the sum of its proper divisors (915150016).

1220200012 is a wasteful number, since it uses less digits than its factorization.

1220200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305050007 (or 305050005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1220200012 is about 34931.3614392568. The cubic root of 1220200012 is about 1068.5881200642.

Adding to 1220200012 its reverse (2100020221), we get a palindrome (3320220233).

The spelling of 1220200012 in words is "one billion, two hundred twenty million, two hundred thousand, twelve".