2164012622125 has 64 divisors (see below), whose sum is σ = 2948031770112. Its totient is φ = 1579294080000.

The previous prime is 2164012622117. The next prime is 2164012622131. The reversal of 2164012622125 is 5212262104612.

It is not a de Polignac number, because 2164012622125 - 2³ = 2164012622117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20626050 + ... + 20730700.

It is an arithmetic number, because the mean of its divisors is an integer number (46062996408).

Almost surely, 2^{2164012622125} is an apocalyptic number.

2164012622125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2164012622125 is a deficient number, since it is larger than the sum of its proper divisors (784019147987).

2164012622125 is a wasteful number, since it uses less digits than its factorization.

2164012622125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104983 (or 104973 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 2164012622125 its reverse (5212262104612), we get a palindrome (7376274726737).

The spelling of 2164012622125 in words is "two trillion, one hundred sixty-four billion, twelve million, six hundred twenty-two thousand, one hundred twenty-five".