20121201002122 has 8 divisors (see below), whose sum is σ = 32925601639872. Its totient is φ = 9146000455500.

The previous prime is 20121201002101. The next prime is 20121201002143. The reversal of 20121201002122 is 22120010212102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20121201002101) and next prime (20121201002143).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20121201002096 and 20121201002105.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 457300022754 + ... + 457300022797.

It is an arithmetic number, because the mean of its divisors is an integer number (4115700204984).

Almost surely, 2^{20121201002122} is an apocalyptic number.

20121201002122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20121201002122 is a deficient number, since it is larger than the sum of its proper divisors (12804400637750).

20121201002122 is a wasteful number, since it uses less digits than its factorization.

20121201002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914600045564.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20121201002122 its reverse (22120010212102), we get a palindrome (42241211214224).

The spelling of 20121201002122 in words is "twenty trillion, one hundred twenty-one billion, two hundred one million, two thousand, one hundred twenty-two".