1342340232121 has 16 divisors (see below), whose sum is σ = 1577732805376. Its totient is φ = 1117940636736.

The previous prime is 1342340232113. The next prime is 1342340232139. The reversal of 1342340232121 is 1212320432431.

It is not a de Polignac number, because 1342340232121 - 2³ = 1342340232113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1342340232121.

It is not an unprimeable number, because it can be changed into a prime (1342340232161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3376206 + ... + 3752791.

It is an arithmetic number, because the mean of its divisors is an integer number (98608300336).

Almost surely, 2^{1342340232121} is an apocalyptic number.

It is an amenable number.

1342340232121 is a deficient number, since it is larger than the sum of its proper divisors (235392573255).

1342340232121 is an equidigital number, since it uses as much as digits as its factorization.

1342340232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7129768.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1342340232121 its reverse (1212320432431), we get a palindrome (2554660664552).

The spelling of 1342340232121 in words is "one trillion, three hundred forty-two billion, three hundred forty million, two hundred thirty-two thousand, one hundred twenty-one".