12020121001010 has 32 divisors (see below), whose sum is σ = 21645456940800. Its totient is φ = 4805995602240.

The previous prime is 12020121000967. The next prime is 12020121001013. The reversal of 12020121001010 is 1010012102021.

It is a junction number, because it is equal to n+sod(n) for n = 12020121000982 and 12020121001000.

It is not an unprimeable number, because it can be changed into a prime (12020121001013) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 529299536 + ... + 529322244.

It is an arithmetic number, because the mean of its divisors is an integer number (676420529400).

Almost surely, 2^{12020121001010} is an apocalyptic number.

12020121001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020121001010 is a deficient number, since it is larger than the sum of its proper divisors (9625335939790).

12020121001010 is a wasteful number, since it uses less digits than its factorization.

12020121001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42986.

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

Adding to 12020121001010 its reverse (1010012102021), we get a palindrome (13030133103031).

It can be divided in two parts, 1202012 and 1001010, that added together give a palindrome (2203022).

The spelling of 12020121001010 in words is "twelve trillion, twenty billion, one hundred twenty-one million, one thousand, ten".