1120202311212 has 72 divisors (see below), whose sum is σ = 2843785762272. Its totient is φ = 371799417600.

The previous prime is 1120202311103. The next prime is 1120202311219. The reversal of 1120202311212 is 2121132020211.

1120202311212 is a `hidden beast` number, since 1 + 120 + 20 + 2 + 311 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1120202311219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10437262 + ... + 10544042.

It is an arithmetic number, because the mean of its divisors is an integer number (39497024476).

Almost surely, 2^{1120202311212} is an apocalyptic number.

1120202311212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1120202311212 is an abundant number, since it is smaller than the sum of its proper divisors (1723583451060).

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

1120202311212 is a wasteful number, since it uses less digits than its factorization.

1120202311212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108039 (or 108034 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1120202311212 its reverse (2121132020211), we get a palindrome (3241334331423).

The spelling of 1120202311212 in words is "one trillion, one hundred twenty billion, two hundred two million, three hundred eleven thousand, two hundred twelve".