1211002230112 has 48 divisors (see below), whose sum is σ = 2445338331072. Its totient is φ = 590074516480.

The previous prime is 1211002230103. The next prime is 1211002230131. The reversal of 1211002230112 is 2110322001121.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1377439 + ... + 2078302.

It is an arithmetic number, because the mean of its divisors is an integer number (50944548564).

Almost surely, 2^{1211002230112} is an apocalyptic number.

It is an amenable number.

1211002230112 is an abundant number, since it is smaller than the sum of its proper divisors (1234336100960).

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

1211002230112 is a wasteful number, since it uses less digits than its factorization.

1211002230112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3456031 (or 3456023 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1211002230112 its reverse (2110322001121), we get a palindrome (3321324231233).

The spelling of 1211002230112 in words is "one trillion, two hundred eleven billion, two million, two hundred thirty thousand, one hundred twelve".