201220012010 has 16 divisors (see below), whose sum is σ = 362241718272. Its totient is φ = 80477850000.

The previous prime is 201220012003. The next prime is 201220012013. The reversal of 201220012010 is 10210022102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201220011982 and 201220012000.

It is not an unprimeable number, because it can be changed into a prime (201220012013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185866 + ... + 1344885.

It is an arithmetic number, because the mean of its divisors is an integer number (22640107392).

Almost surely, 2^201220012010 is an apocalyptic number.

201220012010 is a deficient number, since it is larger than the sum of its proper divisors (161021706262).

201220012010 is a wasteful number, since it uses less digits than its factorization.

201220012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2538709.

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

Adding to 201220012010 its reverse (10210022102), we get a palindrome (211430034112).

The spelling of 201220012010 in words is "two hundred one billion, two hundred twenty million, twelve thousand, ten".