12752261434550 has 48 divisors (see below), whose sum is σ = 27237366072000. Its totient is φ = 4393123552800.

The previous prime is 12752261434541. The next prime is 12752261434559. The reversal of 12752261434550 is 5543416225721.

It is an interprime number because it is at equal distance from previous prime (12752261434541) and next prime (12752261434559).

It is a super-2 number, since 2×12752261434550² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12752261434495 and 12752261434504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12752261434559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 610145600 + ... + 610166499.

It is an arithmetic number, because the mean of its divisors is an integer number (567445126500).

Almost surely, 2^{12752261434550} is an apocalyptic number.

12752261434550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12752261434550 is an abundant number, since it is smaller than the sum of its proper divisors (14485104637450).

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

12752261434550 is a wasteful number, since it uses less digits than its factorization.

12752261434550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220312141 (or 1220312136 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 47.

The spelling of 12752261434550 in words is "twelve trillion, seven hundred fifty-two billion, two hundred sixty-one million, four hundred thirty-four thousand, five hundred fifty".