1210202112112 has 60 divisors (see below), whose sum is σ = 2888031872880. Its totient is φ = 488148745728.

The previous prime is 1210202112101. The next prime is 1210202112143. The reversal of 1210202112112 is 2112112020121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45387412 + ... + 45414067.

It is an arithmetic number, because the mean of its divisors is an integer number (48133864548).

Almost surely, 2^{1210202112112} is an apocalyptic number.

It is an amenable number.

1210202112112 is an abundant number, since it is smaller than the sum of its proper divisors (1677829760768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210202112112 is a wasteful number, since it uses less digits than its factorization.

1210202112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90801518 (or 90801505 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1210202112112 its reverse (2112112020121), we get a palindrome (3322314132233).

The spelling of 1210202112112 in words is "one trillion, two hundred ten billion, two hundred two million, one hundred twelve thousand, one hundred twelve".