210512105045 has 16 divisors (see below), whose sum is σ = 285082225920. Its totient is φ = 147820411200.

The previous prime is 210512105029. The next prime is 210512105047. The reversal of 210512105045 is 540501215012.

It is not a de Polignac number, because 210512105045 - 2⁴ = 210512105029 is a prime.

It is a super-2 number, since 2×210512105045² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210512105047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65989661 + ... + 65992850.

It is an arithmetic number, because the mean of its divisors is an integer number (17817639120).

Almost surely, 2^210512105045 is an apocalyptic number.

It is an amenable number.

210512105045 is a deficient number, since it is larger than the sum of its proper divisors (74570120875).

210512105045 is a wasteful number, since it uses less digits than its factorization.

210512105045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131982556.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 210512105045 in words is "two hundred ten billion, five hundred twelve million, one hundred five thousand, forty-five".