10122220012 has 6 divisors (see below), whose sum is σ = 17713885028. Its totient is φ = 5061110004.

The previous prime is 10122219997. The next prime is 10122220063. The reversal of 10122220012 is 21002222101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10122219974 and 10122220001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265277498 + ... + 1265277505.

Almost surely, 2^10122220012 is an apocalyptic number.

It is an amenable number.

10122220012 is a deficient number, since it is larger than the sum of its proper divisors (7591665016).

10122220012 is a wasteful number, since it uses less digits than its factorization.

10122220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530555007 (or 2530555005 counting only the distinct ones).

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

Adding to 10122220012 its reverse (21002222101), we get a palindrome (31124442113).

The spelling of 10122220012 in words is "ten billion, one hundred twenty-two million, two hundred twenty thousand, twelve".