122021012043 has 24 divisors (see below), whose sum is σ = 202008716000. Its totient is φ = 69526491264.

The previous prime is 122021012041. The next prime is 122021012077. The reversal of 122021012043 is 340210120221.

It is a happy number.

It is not a de Polignac number, because 122021012043 - 2¹ = 122021012041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122021012041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2752858 + ... + 2796831.

Almost surely, 2^122021012043 is an apocalyptic number.

122021012043 is a deficient number, since it is larger than the sum of its proper divisors (79987703957).

122021012043 is a wasteful number, since it uses less digits than its factorization.

122021012043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550051 (or 5550048 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 122021012043 its reverse (340210120221), we get a palindrome (462231132264).

The spelling of 122021012043 in words is "one hundred twenty-two billion, twenty-one million, twelve thousand, forty-three".