2012121100010 has 64 divisors (see below), whose sum is σ = 4152655468800. Its totient is φ = 687631887360.

The previous prime is 2012121100007. The next prime is 2012121100027. The reversal of 2012121100010 is 100011212102.

It is a super-2 number, since 2×2012121100010² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2012121099964 and 2012121100000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161002082 + ... + 161014578.

It is an arithmetic number, because the mean of its divisors is an integer number (64885241700).

Almost surely, 2^{2012121100010} is an apocalyptic number.

2012121100010 is an abundant number, since it is smaller than the sum of its proper divisors (2140534368790).

2012121100010 is a wasteful number, since it uses less digits than its factorization.

2012121100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19791.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2012121100010 its reverse (100011212102), we get a palindrome (2112132312112).

The spelling of 2012121100010 in words is "two trillion, twelve billion, one hundred twenty-one million, one hundred thousand, ten".