2000121442 has 32 divisors (see below), whose sum is σ = 3310243200. Its totient is φ = 898819200.

The previous prime is 2000121437. The next prime is 2000121463. The reversal of 2000121442 is 2441210002.

It is an unprimeable number.

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, 1939467 + ... + 1940497.

It is an arithmetic number, because the mean of its divisors is an integer number (103445100).

Almost surely, 2^2000121442 is an apocalyptic number.

2000121442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2000121442 is a deficient number, since it is larger than the sum of its proper divisors (1310121758).

2000121442 is a wasteful number, since it uses less digits than its factorization.

2000121442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2000121442 is about 44722.7172922219. The cubic root of 2000121442 is about 1259.9465506008.

Adding to 2000121442 its reverse (2441210002), we get a palindrome (4441331444).

The spelling of 2000121442 in words is "two billion, one hundred twenty-one thousand, four hundred forty-two".