122000021043 has 16 divisors (see below), whose sum is σ = 169794905856. Its totient is φ = 77771564640.

The previous prime is 122000021023. The next prime is 122000021069. The reversal of 122000021043 is 340120000221.

It is not a de Polignac number, because 122000021043 - 2⁶ = 122000020979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122000021023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77605 + ... + 500022.

It is an arithmetic number, because the mean of its divisors is an integer number (10612181616).

Almost surely, 2^122000021043 is an apocalyptic number.

122000021043 is a deficient number, since it is larger than the sum of its proper divisors (47794884813).

122000021043 is a wasteful number, since it uses less digits than its factorization.

122000021043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580714.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 122000021043 its reverse (340120000221), we get a palindrome (462120021264).

The spelling of 122000021043 in words is "one hundred twenty-two billion, twenty-one thousand, forty-three".