2120123141020 has 24 divisors (see below), whose sum is σ = 4452726621168. Its totient is φ = 847960108800.

The previous prime is 2120123140973. The next prime is 2120123141027. The reversal of 2120123141020 is 201413210212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120123141027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5376546 + ... + 5757385.

It is an arithmetic number, because the mean of its divisors is an integer number (185530275882).

Almost surely, 2^{2120123141020} is an apocalyptic number.

2120123141020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120123141020 is an abundant number, since it is smaller than the sum of its proper divisors (2332603480148).

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

2120123141020 is a wasteful number, since it uses less digits than its factorization.

2120123141020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11143461 (or 11143459 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2120123141020 its reverse (201413210212), we get a palindrome (2321536351232).

The spelling of 2120123141020 in words is "two trillion, one hundred twenty billion, one hundred twenty-three million, one hundred forty-one thousand, twenty".