126228101964 has 12 divisors (see below), whose sum is σ = 294532237944. Its totient is φ = 42076033984.

The previous prime is 126228101941. The next prime is 126228101971. The reversal of 126228101964 is 469101822621.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5259504237 + ... + 5259504260.

It is an arithmetic number, because the mean of its divisors is an integer number (24544353162).

Almost surely, 2^126228101964 is an apocalyptic number.

It is an amenable number.

126228101964 is an abundant number, since it is smaller than the sum of its proper divisors (168304135980).

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

126228101964 is a wasteful number, since it uses less digits than its factorization.

126228101964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10519008504 (or 10519008502 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 126228101964 in words is "one hundred twenty-six billion, two hundred twenty-eight million, one hundred one thousand, nine hundred sixty-four".