1342620631205 has 24 divisors (see below), whose sum is σ = 1938816009720. Its totient is φ = 888907447680.

The previous prime is 1342620631199. The next prime is 1342620631207. The reversal of 1342620631205 is 5021360262431.

It can be written as a sum of positive squares in 4 ways, for example, as 395428426561 + 947192204644 = 628831^2 + 973238^2 .

It is not a de Polignac number, because 1342620631205 - 2¹² = 1342620627109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342620631207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94477106 + ... + 94491315.

It is an arithmetic number, because the mean of its divisors is an integer number (80784000405).

Almost surely, 2^{1342620631205} is an apocalyptic number.

It is an amenable number.

1342620631205 is a deficient number, since it is larger than the sum of its proper divisors (596195378515).

1342620631205 is a wasteful number, since it uses less digits than its factorization.

1342620631205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188968469 (or 188968462 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 1342620631205 its reverse (5021360262431), we get a palindrome (6363980893636).

The spelling of 1342620631205 in words is "one trillion, three hundred forty-two billion, six hundred twenty million, six hundred thirty-one thousand, two hundred five".