122210030145 has 32 divisors (see below), whose sum is σ = 223645010688.
Its totient is φ = 55823632128.
The previous prime is 122210030123. The next prime is 122210030149. The reversal of 122210030145 is 541030012221.
It is not a de Polignac number, because 122210030145 - 28 = 122210029889 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (122210030149) 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, 321634 + ... + 589803.
It is an arithmetic number, because the mean of its divisors is an integer number (6988906584).
Almost surely, 2122210030145 is an apocalyptic number.
122210030145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
122210030145 is a deficient number, since it is larger than the sum of its proper divisors (101434980543).
122210030145 is a wasteful number, since it uses less digits than its factorization.
122210030145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 912729.
The product of its (nonzero) digits is 480, while the sum is 21.
Adding to 122210030145 its reverse (541030012221), we get a palindrome (663240042366).
The spelling of 122210030145 in words is "one hundred twenty-two billion, two hundred ten million, thirty thousand, one hundred forty-five".