126021367116 has 36 divisors (see below), whose sum is σ = 319273135272. Its totient is φ = 41912292864.

The previous prime is 126021367099. The next prime is 126021367159. The reversal of 126021367116 is 611763120621.

126021367116 is a `hidden beast` number, since 1 + 2 + 602 + 1 + 36 + 7 + 1 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3935061 + ... + 3966956.

It is an arithmetic number, because the mean of its divisors is an integer number (8868698202).

Almost surely, 2^126021367116 is an apocalyptic number.

It is an amenable number.

126021367116 is an abundant number, since it is smaller than the sum of its proper divisors (193251768156).

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

126021367116 is a wasteful number, since it uses less digits than its factorization.

126021367116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7902470 (or 7902465 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

Adding to 126021367116 its reverse (611763120621), we get a palindrome (737784487737).

The spelling of 126021367116 in words is "one hundred twenty-six billion, twenty-one million, three hundred sixty-seven thousand, one hundred sixteen".