1202011202120 has 48 divisors (see below), whose sum is σ = 2854360430460. Its totient is φ = 455498976384.

The previous prime is 1202011202087. The next prime is 1202011202129. The reversal of 1202011202120 is 212021102021.

It can be written as a sum of positive squares in 2 ways, for example, as 1110448073284 + 91563128836 = 1053778^2 + 302594^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1202011202095 and 1202011202104.

It is not an unprimeable number, because it can be changed into a prime (1202011202129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41606447 + ... + 41635326.

Almost surely, 2^{1202011202120} is an apocalyptic number.

1202011202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202011202120 is an abundant number, since it is smaller than the sum of its proper divisors (1652349228340).

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

1202011202120 is a wasteful number, since it uses less digits than its factorization.

1202011202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83241822 (or 83241799 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1202011202120 its reverse (212021102021), we get a palindrome (1414032304141).

The spelling of 1202011202120 in words is "one trillion, two hundred two billion, eleven million, two hundred two thousand, one hundred twenty".