126052060221 has 64 divisors (see below), whose sum is σ = 205484032000. Its totient is φ = 76067709120.

The previous prime is 126052060201. The next prime is 126052060307. The reversal of 126052060221 is 122060250621.

126052060221 is a `hidden beast` number, since 1 + 2 + 6 + 0 + 52 + 0 + 602 + 2 + 1 = 666.

It is not a de Polignac number, because 126052060221 - 2⁷ = 126052060093 is a prime.

It is a super-2 number, since 2×126052060221² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126052060201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1206171 + ... + 1306503.

It is an arithmetic number, because the mean of its divisors is an integer number (3210688000).

Almost surely, 2^126052060221 is an apocalyptic number.

It is an amenable number.

126052060221 is a deficient number, since it is larger than the sum of its proper divisors (79431971779).

126052060221 is a wasteful number, since it uses less digits than its factorization.

126052060221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100471 (or 100465 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 126052060221 in words is "one hundred twenty-six billion, fifty-two million, sixty thousand, two hundred twenty-one".