12049952156970 has 256 divisors, whose sum is σ = 35675421401088. Its totient is φ = 2536578063360.

The previous prime is 12049952156941. The next prime is 12049952156971. The reversal of 12049952156970 is 7965125994021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12049952156971) 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 127 ways as a sum of consecutive naturals, for example, 2724382179 + ... + 2724386601.

It is an arithmetic number, because the mean of its divisors is an integer number (139357114848).

Almost surely, 2^{12049952156970} is an apocalyptic number.

12049952156970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12049952156970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17837710700544).

12049952156970 is an abundant number, since it is smaller than the sum of its proper divisors (23625469244118).

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

12049952156970 is a wasteful number, since it uses less digits than its factorization.

12049952156970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6517.

The product of its (nonzero) digits is 12247200, while the sum is 60.

The spelling of 12049952156970 in words is "twelve trillion, forty-nine billion, nine hundred fifty-two million, one hundred fifty-six thousand, nine hundred seventy".