1200102324421 has 16 divisors (see below), whose sum is σ = 1611326199168. Its totient is φ = 863210462400.

The previous prime is 1200102324419. The next prime is 1200102324451. The reversal of 1200102324421 is 1244232010021.

It is not a de Polignac number, because 1200102324421 - 2¹ = 1200102324419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200102324392 and 1200102324401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200102324401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599450710 + ... + 599452711.

It is an arithmetic number, because the mean of its divisors is an integer number (100707887448).

Almost surely, 2^{1200102324421} is an apocalyptic number.

1200102324421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1200102324421 is a deficient number, since it is larger than the sum of its proper divisors (411223874747).

1200102324421 is a wasteful number, since it uses less digits than its factorization.

1200102324421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198903452.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1200102324421 its reverse (1244232010021), we get a palindrome (2444334334442).

The spelling of 1200102324421 in words is "one trillion, two hundred billion, one hundred two million, three hundred twenty-four thousand, four hundred twenty-one".