126225533218 has 8 divisors (see below), whose sum is σ = 189340485120. Its totient is φ = 63112038180.

The previous prime is 126225533173. The next prime is 126225533219. The reversal of 126225533218 is 812335522621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (126225533219) 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, 112938 + ... + 514981.

It is an arithmetic number, because the mean of its divisors is an integer number (23667560640).

Almost surely, 2^126225533218 is an apocalyptic number.

126225533218 is a deficient number, since it is larger than the sum of its proper divisors (63114951902).

126225533218 is a wasteful number, since it uses less digits than its factorization.

126225533218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728432.

The product of its digits is 172800, while the sum is 40.

The spelling of 126225533218 in words is "one hundred twenty-six billion, two hundred twenty-five million, five hundred thirty-three thousand, two hundred eighteen".