2120241312154 has 16 divisors (see below), whose sum is σ = 3635025379200. Its totient is φ = 908593351344.

The previous prime is 2120241312151. The next prime is 2120241312157. The reversal of 2120241312154 is 4512131420212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2120241312151) and next prime (2120241312157).

It is not an unprimeable number, because it can be changed into a prime (2120241312151) 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 7 ways as a sum of consecutive naturals, for example, 6629589 + ... + 6942040.

It is an arithmetic number, because the mean of its divisors is an integer number (227189086200).

Almost surely, 2^{2120241312154} is an apocalyptic number.

2120241312154 is a deficient number, since it is larger than the sum of its proper divisors (1514784067046).

2120241312154 is a wasteful number, since it uses less digits than its factorization.

2120241312154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13582797.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 2120241312154 its reverse (4512131420212), we get a palindrome (6632372732366).

The spelling of 2120241312154 in words is "two trillion, one hundred twenty billion, two hundred forty-one million, three hundred twelve thousand, one hundred fifty-four".