1342010239981 has 2 divisors, whose sum is σ = 1342010239982. Its totient is φ = 1342010239980.

The previous prime is 1342010239951. The next prime is 1342010240041. The reversal of 1342010239981 is 1899320102431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1060675471881 + 281334768100 = 1029891^2 + 530410^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342010239981 - 2¹⁷ = 1342010108909 is a prime.

It is a super-2 number, since 2×1342010239981² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342010239951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671005119990 + 671005119991.

It is an arithmetic number, because the mean of its divisors is an integer number (671005119991).

Almost surely, 2^{1342010239981} is an apocalyptic number.

It is an amenable number.

1342010239981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342010239981 is an equidigital number, since it uses as much as digits as its factorization.

1342010239981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 1342010239981 in words is "one trillion, three hundred forty-two billion, ten million, two hundred thirty-nine thousand, nine hundred eighty-one".