1361212275462 has 128 divisors (see below), whose sum is σ = 3068147884032. Its totient is φ = 399765888000.

The previous prime is 1361212275443. The next prime is 1361212275463. The reversal of 1361212275462 is 2645722121631.

It is a happy number.

It is a super-3 number, since 3×1361212275462³ (a number of 37 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361212275463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64218738 + ... + 64239930.

It is an arithmetic number, because the mean of its divisors is an integer number (23969905344).

Almost surely, 2^{1361212275462} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1361212275462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1534073942016).

1361212275462 is an abundant number, since it is smaller than the sum of its proper divisors (1706935608570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1361212275462 is a wasteful number, since it uses less digits than its factorization.

1361212275462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21606.

The product of its digits is 241920, while the sum is 42.

The spelling of 1361212275462 in words is "one trillion, three hundred sixty-one billion, two hundred twelve million, two hundred seventy-five thousand, four hundred sixty-two".