125022012219 has 32 divisors (see below), whose sum is σ = 200509747200. Its totient is φ = 76533772320.

The previous prime is 125022012217. The next prime is 125022012253. The reversal of 125022012219 is 912210220521.

It is a happy number.

125022012219 is a `hidden beast` number, since 1 + 2 + 502 + 20 + 122 + 19 = 666.

It is not a de Polignac number, because 125022012219 - 2¹ = 125022012217 is a prime.

It is a super-2 number, since 2×125022012219² (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 junction number, because it is equal to n+sod(n) for n = 125022012192 and 125022012201.

It is not an unprimeable number, because it can be changed into a prime (125022012217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 865389 + ... + 999470.

It is an arithmetic number, because the mean of its divisors is an integer number (6265929600).

Almost surely, 2^125022012219 is an apocalyptic number.

125022012219 is a deficient number, since it is larger than the sum of its proper divisors (75487734981).

125022012219 is a wasteful number, since it uses less digits than its factorization.

125022012219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865072 (or 1865066 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 125022012219 in words is "one hundred twenty-five billion, twenty-two million, twelve thousand, two hundred nineteen".