1220110012 has 24 divisors (see below), whose sum is σ = 2332955520. Its totient is φ = 553725360.

The previous prime is 1220109991. The next prime is 1220110013. The reversal of 1220110012 is 2100110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220110013) 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, 7039 + ... + 49897.

It is an arithmetic number, because the mean of its divisors is an integer number (97206480).

Almost surely, 2^1220110012 is an apocalyptic number.

It is an amenable number.

1220110012 is a deficient number, since it is larger than the sum of its proper divisors (1112845508).

1220110012 is a wasteful number, since it uses less digits than its factorization.

1220110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43521 (or 43519 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1220110012 is about 34930.0731748446. The cubic root of 1220110012 is about 1068.5618469684.

Adding to 1220110012 its reverse (2100110221), we get a palindrome (3320220233).

The spelling of 1220110012 in words is "one billion, two hundred twenty million, one hundred ten thousand, twelve".