1273376435016 has 192 divisors, whose sum is σ = 3774992169600. Its totient is φ = 356774326272.

The previous prime is 1273376434933. The next prime is 1273376435101. The reversal of 1273376435016 is 6105346733721.

It is a super-4 number, since 4×1273376435016⁴ (a number of 50 digits) contains 4444 as substring.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 161612565 + ... + 161620443.

It is an arithmetic number, because the mean of its divisors is an integer number (19661417550).

Almost surely, 2^{1273376435016} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1273376435016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1887496084800).

1273376435016 is an abundant number, since it is smaller than the sum of its proper divisors (2501615734584).

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

1273376435016 is a wasteful number, since it uses less digits than its factorization.

1273376435016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10548 (or 10537 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 48.

The spelling of 1273376435016 in words is "one trillion, two hundred seventy-three billion, three hundred seventy-six million, four hundred thirty-five thousand, sixteen".