1202340432021 has 36 divisors (see below), whose sum is σ = 1637741280672. Its totient is φ = 784613493504.

The previous prime is 1202340432019. The next prime is 1202340432043.

It is a happy number.

1202340432021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1202340432021 - 2¹ = 1202340432019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202340431982 and 1202340432000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202340432221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 300058000 + ... + 300062006.

It is an arithmetic number, because the mean of its divisors is an integer number (45492813352).

Almost surely, 2^{1202340432021} is an apocalyptic number.

It is an amenable number.

1202340432021 is a deficient number, since it is larger than the sum of its proper divisors (435400848651).

1202340432021 is an frugal number, since it uses more digits than its factorization.

1202340432021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430 (or 4220 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

It can be divided in two parts, 1202340 and 432021, that added together give a palindrome (1634361).

The spelling of 1202340432021 in words is "one trillion, two hundred two billion, three hundred forty million, four hundred thirty-two thousand, twenty-one".