1210110011212 has 48 divisors (see below), whose sum is σ = 2295768182400. Its totient is φ = 555890533632.

The previous prime is 1210110011183. The next prime is 1210110011213. The reversal of 1210110011212 is 2121100110121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1210110011192 and 1210110011201.

It is not an unprimeable number, because it can be changed into a prime (1210110011213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4846083 + ... + 5089669.

It is an arithmetic number, because the mean of its divisors is an integer number (47828503800).

Almost surely, 2^{1210110011212} is an apocalyptic number.

It is an amenable number.

1210110011212 is a deficient number, since it is larger than the sum of its proper divisors (1085658171188).

1210110011212 is a wasteful number, since it uses less digits than its factorization.

1210110011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245350 (or 245348 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1210110011212 its reverse (2121100110121), we get a palindrome (3331210121333).

The spelling of 1210110011212 in words is "one trillion, two hundred ten billion, one hundred ten million, eleven thousand, two hundred twelve".