126012765120 has 112 divisors (see below), whose sum is σ = 436462432128. Its totient is φ = 30548546560.

The previous prime is 126012765061. The next prime is 126012765121. The reversal of 126012765120 is 21567210621.

It is a super-2 number, since 2×126012765120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126012765121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5955954 + ... + 5977073.

Almost surely, 2^126012765120 is an apocalyptic number.

126012765120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126012765120 is an abundant number, since it is smaller than the sum of its proper divisors (310449667008).

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

126012765120 is a wasteful number, since it uses less digits than its factorization.

126012765120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11933058 (or 11933048 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

Adding to 126012765120 its reverse (21567210621), we get a palindrome (147579975741).

The spelling of 126012765120 in words is "one hundred twenty-six billion, twelve million, seven hundred sixty-five thousand, one hundred twenty".