1121202001212 has 12 divisors (see below), whose sum is σ = 2616138002856. Its totient is φ = 373734000400.

The previous prime is 1121202001207. The next prime is 1121202001219. The reversal of 1121202001212 is 2121002021211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1121202001191 and 1121202001200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121202001219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46716750039 + ... + 46716750062.

It is an arithmetic number, because the mean of its divisors is an integer number (218011500238).

Almost surely, 2^{1121202001212} is an apocalyptic number.

1121202001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121202001212 is an abundant number, since it is smaller than the sum of its proper divisors (1494936001644).

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

1121202001212 is a wasteful number, since it uses less digits than its factorization.

1121202001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93433500108 (or 93433500106 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1121202001212 its reverse (2121002021211), we get a palindrome (3242204022423).

The spelling of 1121202001212 in words is "one trillion, one hundred twenty-one billion, two hundred two million, one thousand, two hundred twelve".