2124123122 has 16 divisors (see below), whose sum is σ = 3510255744. Its totient is φ = 955950000.

The previous prime is 2124123103. The next prime is 2124123137. The reversal of 2124123122 is 2213214212.

It is a junction number, because it is equal to n+sod(n) for n = 2124123094 and 2124123103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475754 + ... + 480197.

It is an arithmetic number, because the mean of its divisors is an integer number (219390984).

Almost surely, 2^2124123122 is an apocalyptic number.

2124123122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2124123122 is a deficient number, since it is larger than the sum of its proper divisors (1386132622).

2124123122 is a wasteful number, since it uses less digits than its factorization.

2124123122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956065.

The product of its digits is 384, while the sum is 20.

The square root of 2124123122 is about 46088.2102277795. The cubic root of 2124123122 is about 1285.4639317634.

Adding to 2124123122 its reverse (2213214212), we get a palindrome (4337337334).

The spelling of 2124123122 in words is "two billion, one hundred twenty-four million, one hundred twenty-three thousand, one hundred twenty-two".