20212122121202 has 128 divisors (see below), whose sum is σ = 34908387720192. Its totient is φ = 8696160000000.

The previous prime is 20212122121201. The next prime is 20212122121231.

20212122121202 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (20212122121201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1506000452 + ... + 1506013872.

It is an arithmetic number, because the mean of its divisors is an integer number (272721779064).

Almost surely, 2^{20212122121202} is an apocalyptic number.

20212122121202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20212122121202 is a deficient number, since it is larger than the sum of its proper divisors (14696265598990).

20212122121202 is a wasteful number, since it uses less digits than its factorization.

20212122121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13908.

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 2021212 and 2121202, that added together give a palindrome (4142414).

The spelling of 20212122121202 in words is "twenty trillion, two hundred twelve billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred two".