1342120212431 has 4 divisors (see below), whose sum is σ = 1385414412864. Its totient is φ = 1298826012000.

The previous prime is 1342120212427. The next prime is 1342120212439.

It is a happy number.

1342120212431 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1342120212431 - 2² = 1342120212427 is a prime.

It is a super-2 number, since 2×1342120212431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1342120212431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342120212439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21647100170 + ... + 21647100231.

It is an arithmetic number, because the mean of its divisors is an integer number (346353603216).

Almost surely, 2^{1342120212431} is an apocalyptic number.

1342120212431 is a deficient number, since it is larger than the sum of its proper divisors (43294200433).

1342120212431 is an equidigital number, since it uses as much as digits as its factorization.

1342120212431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43294200432.

The product of its (nonzero) digits is 2304, while the sum is 26.

It can be divided in two parts, 1342120 and 212431, that added together give a palindrome (1554551).

The spelling of 1342120212431 in words is "one trillion, three hundred forty-two billion, one hundred twenty million, two hundred twelve thousand, four hundred thirty-one".