1210220010112 has 16 divisors (see below), whose sum is σ = 2410985176650. Its totient is φ = 605110004992.

The previous prime is 1210220010101. The next prime is 1210220010121. The reversal of 1210220010112 is 2110100220121.

It can be written as a sum of positive squares in only one way, i.e., 1013275771456 + 196944238656 = 1006616^2 + 443784^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 1210220010092 and 1210220010101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4727421787 + ... + 4727422042.

Almost surely, 2^{1210220010112} is an apocalyptic number.

It is an amenable number.

1210220010112 is a deficient number, since it is larger than the sum of its proper divisors (1200765166538).

1210220010112 is an frugal number, since it uses more digits than its factorization.

1210220010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9454843843 (or 9454843831 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1210220010112 its reverse (2110100220121), we get a palindrome (3320320230233).

The spelling of 1210220010112 in words is "one trillion, two hundred ten billion, two hundred twenty million, ten thousand, one hundred twelve".