1202132342421 has 6 divisors (see below), whose sum is σ = 1736413383510. Its totient is φ = 801421561608.

The previous prime is 1202132342381. The next prime is 1202132342431. The reversal of 1202132342421 is 1242432312021.

1202132342421 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 1 + 3 + 234 + 2 + 421 = 666.

It can be written as a sum of positive squares in only one way, i.e., 917072454321 + 285059888100 = 957639^2 + 533910^2 .

It is not a de Polignac number, because 1202132342421 - 2⁹ = 1202132341909 is a prime.

It is a super-2 number, since 2×1202132342421² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202132342431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66785130126 + ... + 66785130143.

It is an arithmetic number, because the mean of its divisors is an integer number (289402230585).

Almost surely, 2^{1202132342421} is an apocalyptic number.

It is an amenable number.

1202132342421 is a deficient number, since it is larger than the sum of its proper divisors (534281041089).

1202132342421 is a wasteful number, since it uses less digits than its factorization.

1202132342421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133570260275 (or 133570260272 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1202132342421 its reverse (1242432312021), we get a palindrome (2444564654442).

The spelling of 1202132342421 in words is "one trillion, two hundred two billion, one hundred thirty-two million, three hundred forty-two thousand, four hundred twenty-one".