122012201000 has 64 divisors (see below), whose sum is σ = 290895630480. Its totient is φ = 47884012800.

The previous prime is 122012200997. The next prime is 122012201099. The reversal of 122012201000 is 102210221.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 9066467524 + 112945733476 = 95218^2 + 336074^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1098059 + ... + 1204058.

Almost surely, 2^122012201000 is an apocalyptic number.

122012201000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122012201000 is an abundant number, since it is smaller than the sum of its proper divisors (168883429480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122012201000 is a wasteful number, since it uses less digits than its factorization.

122012201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302191 (or 2302177 counting only the distinct ones).

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

Adding to 122012201000 its reverse (102210221), we get a palindrome (122114411221).

The spelling of 122012201000 in words is "one hundred twenty-two billion, twelve million, two hundred one thousand".