2123146264620 has 24 divisors (see below), whose sum is σ = 5944809541104. Its totient is φ = 566172337216.

The previous prime is 2123146264607. The next prime is 2123146264627. The reversal of 2123146264620 is 264626413212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2123146264627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17692885479 + ... + 17692885598.

It is an arithmetic number, because the mean of its divisors is an integer number (247700397546).

Almost surely, 2^{2123146264620} is an apocalyptic number.

2123146264620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123146264620 is an abundant number, since it is smaller than the sum of its proper divisors (3821663276484).

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

2123146264620 is a wasteful number, since it uses less digits than its factorization.

2123146264620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35385771089 (or 35385771087 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 2123146264620 in words is "two trillion, one hundred twenty-three billion, one hundred forty-six million, two hundred sixty-four thousand, six hundred twenty".