1202020121112 has 64 divisors (see below), whose sum is σ = 3008387520480. Its totient is φ = 400228687872.

The previous prime is 1202020121111. The next prime is 1202020121129. The reversal of 1202020121112 is 2111210202021.

It is a junction number, because it is equal to n+sod(n) for n = 1202020121091 and 1202020121100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202020121111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89582628 + ... + 89596044.

Almost surely, 2^{1202020121112} is an apocalyptic number.

1202020121112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1202020121112 is an abundant number, since it is smaller than the sum of its proper divisors (1806367399368).

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

1202020121112 is a wasteful number, since it uses less digits than its factorization.

1202020121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17292 (or 17288 counting only the distinct ones).

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

Adding to 1202020121112 its reverse (2111210202021), we get a palindrome (3313230323133).

The spelling of 1202020121112 in words is "one trillion, two hundred two billion, twenty million, one hundred twenty-one thousand, one hundred twelve".