2123030221240 has 16 divisors (see below), whose sum is σ = 4776817997880. Its totient is φ = 849212088480.

The previous prime is 2123030221231. The next prime is 2123030221241. The reversal of 2123030221240 is 421220303212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123030221241) 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 3 ways as a sum of consecutive naturals, for example, 26537877726 + ... + 26537877805.

Almost surely, 2^{2123030221240} is an apocalyptic number.

2123030221240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123030221240 is an abundant number, since it is smaller than the sum of its proper divisors (2653787776640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123030221240 is a wasteful number, since it uses less digits than its factorization.

2123030221240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53075755542 (or 53075755538 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2123030221240 its reverse (421220303212), we get a palindrome (2544250524452).

The spelling of 2123030221240 in words is "two trillion, one hundred twenty-three billion, thirty million, two hundred twenty-one thousand, two hundred forty".