1210201211120 has 40 divisors (see below), whose sum is σ = 3069510346800. Its totient is φ = 440073167360.

The previous prime is 1210201211119. The next prime is 1210201211143. The reversal of 1210201211120 is 211121020121.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1210201211095 and 1210201211104.

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 7 ways as a sum of consecutive naturals, for example, 687613445 + ... + 687615204.

It is an arithmetic number, because the mean of its divisors is an integer number (76737758670).

Almost surely, 2^{1210201211120} is an apocalyptic number.

1210201211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210201211120 is an abundant number, since it is smaller than the sum of its proper divisors (1859309135680).

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

1210201211120 is a wasteful number, since it uses less digits than its factorization.

1210201211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375228673 (or 1375228667 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1210201211120 its reverse (211121020121), we get a palindrome (1421322231241).

The spelling of 1210201211120 in words is "one trillion, two hundred ten billion, two hundred one million, two hundred eleven thousand, one hundred twenty".