2000121219974 has 32 divisors (see below), whose sum is σ = 3172561468416. Its totient is φ = 944445728160.

The previous prime is 2000121219973. The next prime is 2000121220037. The reversal of 2000121219974 is 4799121210002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000121219973) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1805489 + ... + 2694444.

It is an arithmetic number, because the mean of its divisors is an integer number (99142545888).

Almost surely, 2^{2000121219974} is an apocalyptic number.

2000121219974 is a deficient number, since it is larger than the sum of its proper divisors (1172440248442).

2000121219974 is a wasteful number, since it uses less digits than its factorization.

2000121219974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4500140.

The product of its (nonzero) digits is 18144, while the sum is 38.

Adding to 2000121219974 its reverse (4799121210002), we get a palindrome (6799242429976).

The spelling of 2000121219974 in words is "two trillion, one hundred twenty-one million, two hundred nineteen thousand, nine hundred seventy-four".