122001020012 has 12 divisors (see below), whose sum is σ = 213512588016. Its totient is φ = 60997423440.

The previous prime is 122001020003. The next prime is 122001020021. The reversal of 122001020012 is 210020100221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122001020003) and next prime (122001020021).

It is a junction number, because it is equal to n+sod(n) for n = 122001019975 and 122001020002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681539 + ... + 841722.

It is an arithmetic number, because the mean of its divisors is an integer number (17792715668).

Almost surely, 2^122001020012 is an apocalyptic number.

It is an amenable number.

122001020012 is a deficient number, since it is larger than the sum of its proper divisors (91511568004).

122001020012 is a wasteful number, since it uses less digits than its factorization.

122001020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543288 (or 1543286 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 122001020012 its reverse (210020100221), we get a palindrome (332021120233).

The spelling of 122001020012 in words is "one hundred twenty-two billion, one million, twenty thousand, twelve".