1202121011200 has 78 divisors (see below), whose sum is σ = 2980896438344. Its totient is φ = 480848363520.

The previous prime is 1202121011197. The next prime is 1202121011209. The reversal of 1202121011200 is 21101212021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202121011209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5767332 + ... + 5972131.

Almost surely, 2^{1202121011200} is an apocalyptic number.

1202121011200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202121011200 is an abundant number, since it is smaller than the sum of its proper divisors (1778775427144).

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

1202121011200 is an equidigital number, since it uses as much as digits as its factorization.

1202121011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11739497 (or 11739470 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1202121011200 its reverse (21101212021), we get a palindrome (1223222223221).

The spelling of 1202121011200 in words is "one trillion, two hundred two billion, one hundred twenty-one million, eleven thousand, two hundred".