126432105252 has 12 divisors (see below), whose sum is σ = 295008245616. Its totient is φ = 42144035080.

The previous prime is 126432105211. The next prime is 126432105259. The reversal of 126432105252 is 252501234621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×126432105252³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (126432105259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5268004374 + ... + 5268004397.

It is an arithmetic number, because the mean of its divisors is an integer number (24584020468).

Almost surely, 2^126432105252 is an apocalyptic number.

126432105252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126432105252 is an abundant number, since it is smaller than the sum of its proper divisors (168576140364).

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

126432105252 is a wasteful number, since it uses less digits than its factorization.

126432105252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10536008778 (or 10536008776 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 126432105252 its reverse (252501234621), we get a palindrome (378933339873).

The spelling of 126432105252 in words is "one hundred twenty-six billion, four hundred thirty-two million, one hundred five thousand, two hundred fifty-two".