1202000122100 has 18 divisors (see below), whose sum is σ = 2608340265174. Its totient is φ = 480800048800.

The previous prime is 1202000122087. The next prime is 1202000122153. The reversal of 1202000122100 is 12210002021.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 206686618384 + 995313503716 = 454628^2 + 997654^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6010000511 + ... + 6010000710.

Almost surely, 2^{1202000122100} is an apocalyptic number.

1202000122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202000122100 is an abundant number, since it is smaller than the sum of its proper divisors (1406340143074).

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

1202000122100 is a wasteful number, since it uses less digits than its factorization.

1202000122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12020001235 (or 12020001228 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1202000122100 its reverse (12210002021), we get a palindrome (1214210124121).

The spelling of 1202000122100 in words is "one trillion, two hundred two billion, one hundred twenty-two thousand, one hundred".