212125060555 has 16 divisors (see below), whose sum is σ = 254971459584. Its totient is φ = 169419276000.

The previous prime is 212125060519. The next prime is 212125060561. The reversal of 212125060555 is 555060521212.

It is not a de Polignac number, because 212125060555 - 2³⁵ = 177765322187 is a prime.

It is a super-3 number, since 3×212125060555³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212125060555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14798802 + ... + 14813128.

It is an arithmetic number, because the mean of its divisors is an integer number (15935716224).

Almost surely, 2^212125060555 is an apocalyptic number.

212125060555 is a deficient number, since it is larger than the sum of its proper divisors (42846399029).

212125060555 is a wasteful number, since it uses less digits than its factorization.

212125060555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19026.

The product of its (nonzero) digits is 30000, while the sum is 34.

Adding to 212125060555 its reverse (555060521212), we get a palindrome (767185581767).

The spelling of 212125060555 in words is "two hundred twelve billion, one hundred twenty-five million, sixty thousand, five hundred fifty-five".