20012211122002 has 96 divisors (see below), whose sum is σ = 33671289012480. Its totient is φ = 8912120448000.

The previous prime is 20012211121913. The next prime is 20012211122021. The reversal of 20012211122002 is 20022111221002.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5905047324 + ... + 5905050712.

It is an arithmetic number, because the mean of its divisors is an integer number (350742593880).

Almost surely, 2^{20012211122002} is an apocalyptic number.

20012211122002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20012211122002 is a deficient number, since it is larger than the sum of its proper divisors (13659077890478).

20012211122002 is a wasteful number, since it uses less digits than its factorization.

20012211122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5968 (or 5957 counting only the distinct ones).

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

Adding to 20012211122002 its reverse (20022111221002), we get a palindrome (40034322343004).

The spelling of 20012211122002 in words is "twenty trillion, twelve billion, two hundred eleven million, one hundred twenty-two thousand, two".