1202440442021 has 64 divisors (see below), whose sum is σ = 1514811153408. Its totient is φ = 929244192768.

The previous prime is 1202440441981. The next prime is 1202440442039.

It is a happy number.

1202440442021 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 1202440442021 - 2⁶ = 1202440441957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202440442081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 443212961 + ... + 443215673.

It is an arithmetic number, because the mean of its divisors is an integer number (23668924272).

Almost surely, 2^{1202440442021} is an apocalyptic number.

It is an amenable number.

1202440442021 is a deficient number, since it is larger than the sum of its proper divisors (312370711387).

1202440442021 is a wasteful number, since it uses less digits than its factorization.

1202440442021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430.

The product of its (nonzero) digits is 4096, while the sum is 26.

It can be divided in two parts, 1202440 and 442021, that added together give a palindrome (1644461).

The spelling of 1202440442021 in words is "one trillion, two hundred two billion, four hundred forty million, four hundred forty-two thousand, twenty-one".