1229272535064 has 64 divisors (see below), whose sum is σ = 3625504266240. Its totient is φ = 339891022080.

The previous prime is 1229272535047. The next prime is 1229272535077. The reversal of 1229272535064 is 4605352729221.

It is a super-3 number, since 3×1229272535064³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118012509 + ... + 118022924.

It is an arithmetic number, because the mean of its divisors is an integer number (56648504160).

Almost surely, 2^{1229272535064} is an apocalyptic number.

1229272535064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1229272535064 is an abundant number, since it is smaller than the sum of its proper divisors (2396231731176).

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

1229272535064 is a wasteful number, since it uses less digits than its factorization.

1229272535064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236035480 (or 236035476 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 1229272535064 in words is "one trillion, two hundred twenty-nine billion, two hundred seventy-two million, five hundred thirty-five thousand, sixty-four".