1202211212120 has 64 divisors (see below), whose sum is σ = 2764397099520. Its totient is φ = 470334443904.

The previous prime is 1202211212107. The next prime is 1202211212129. The reversal of 1202211212120 is 212121122021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202211212129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2572439 + ... + 3003641.

It is an arithmetic number, because the mean of its divisors is an integer number (43193704680).

Almost surely, 2^{1202211212120} is an apocalyptic number.

1202211212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202211212120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1382198549760).

1202211212120 is an abundant number, since it is smaller than the sum of its proper divisors (1562185887400).

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

1202211212120 is a wasteful number, since it uses less digits than its factorization.

1202211212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432744 (or 432740 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1202211212120 its reverse (212121122021), we get a palindrome (1414332334141).

Subtracting from 1202211212120 its reverse (212121122021), we obtain a palindrome (990090090099).

The spelling of 1202211212120 in words is "one trillion, two hundred two billion, two hundred eleven million, two hundred twelve thousand, one hundred twenty".