1260215542422 has 48 divisors (see below), whose sum is σ = 2769167145888. Its totient is φ = 414119018880.

The previous prime is 1260215542301. The next prime is 1260215542423. The reversal of 1260215542422 is 2242455120621.

1260215542422 is a `hidden beast` number, since 1 + 2 + 60 + 2 + 1 + 554 + 2 + 42 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260215542423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17233128 + ... + 17306100.

It is an arithmetic number, because the mean of its divisors is an integer number (57690982206).

Almost surely, 2^{1260215542422} is an apocalyptic number.

1260215542422 is an abundant number, since it is smaller than the sum of its proper divisors (1508951603466).

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

1260215542422 is a wasteful number, since it uses less digits than its factorization.

1260215542422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86565 (or 86562 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 1260215542422 in words is "one trillion, two hundred sixty billion, two hundred fifteen million, five hundred forty-two thousand, four hundred twenty-two".