1200100421202 has 8 divisors (see below), whose sum is σ = 2400200842416. Its totient is φ = 400033473732.

The previous prime is 1200100421161. The next prime is 1200100421237. The reversal of 1200100421202 is 2021240010021.

It is a sphenic number, since it is the product of 3 distinct primes.

1200100421202 is an admirable number.

It is a super-2 number, since 2×1200100421202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100008368428 + ... + 100008368439.

It is an arithmetic number, because the mean of its divisors is an integer number (300025105302).

Almost surely, 2^{1200100421202} is an apocalyptic number.

1200100421202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1200100421202 is a wasteful number, since it uses less digits than its factorization.

1200100421202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200016736872.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1200100421202 its reverse (2021240010021), we get a palindrome (3221340431223).

The spelling of 1200100421202 in words is "one trillion, two hundred billion, one hundred million, four hundred twenty-one thousand, two hundred two".