1302212002021 has 16 divisors (see below), whose sum is σ = 1523134885888. Its totient is φ = 1090021892400.

The previous prime is 1302212002019. The next prime is 1302212002033. The reversal of 1302212002021 is 1202002122031.

It is a happy number.

It is not a de Polignac number, because 1302212002021 - 2¹ = 1302212002019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1302212001986 and 1302212002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302212002061) 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 15 ways as a sum of consecutive naturals, for example, 1236436 + ... + 2033026.

It is an arithmetic number, because the mean of its divisors is an integer number (95195930368).

Almost surely, 2^{1302212002021} is an apocalyptic number.

It is an amenable number.

1302212002021 is a deficient number, since it is larger than the sum of its proper divisors (220922883867).

1302212002021 is an equidigital number, since it uses as much as digits as its factorization.

1302212002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802072.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1302212002021 its reverse (1202002122031), we get a palindrome (2504214124052).

The spelling of 1302212002021 in words is "one trillion, three hundred two billion, two hundred twelve million, two thousand, twenty-one".