1202100121120 has 48 divisors (see below), whose sum is σ = 2840056285248. Its totient is φ = 480824006400.

The previous prime is 1202100121081. The next prime is 1202100121139. The reversal of 1202100121120 is 211210012021.

It is a self number, because there is not a number n which added to its sum of digits gives 1202100121120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5461195 + ... + 5677045.

It is an arithmetic number, because the mean of its divisors is an integer number (59167839276).

Almost surely, 2^{1202100121120} is an apocalyptic number.

1202100121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202100121120 is an abundant number, since it is smaller than the sum of its proper divisors (1637956164128).

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

1202100121120 is a wasteful number, since it uses less digits than its factorization.

1202100121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250673 (or 250665 counting only the distinct ones).

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

Adding to 1202100121120 its reverse (211210012021), we get a palindrome (1413310133141).

The spelling of 1202100121120 in words is "one trillion, two hundred two billion, one hundred million, one hundred twenty-one thousand, one hundred twenty".