123051220022445 has 32 divisors (see below), whose sum is σ = 231301873724544. Its totient is φ = 55071874694400.

The previous prime is 123051220022411. The next prime is 123051220022461. The reversal of 123051220022445 is 544220022150321.

It is not a de Polignac number, because 123051220022445 - 2¹⁰ = 123051220021421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28683265926 + ... + 28683270215.

It is an arithmetic number, because the mean of its divisors is an integer number (7228183553892).

Almost surely, 2^{123051220022445} is an apocalyptic number.

123051220022445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123051220022445 is a deficient number, since it is larger than the sum of its proper divisors (108250653702099).

123051220022445 is a wasteful number, since it uses less digits than its factorization.

123051220022445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57366536173.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 123051220022445 its reverse (544220022150321), we get a palindrome (667271242172766).

The spelling of 123051220022445 in words is "one hundred twenty-three trillion, fifty-one billion, two hundred twenty million, twenty-two thousand, four hundred forty-five".