212140045025 has 12 divisors (see below), whose sum is σ = 263063631600. Its totient is φ = 169705600080.

The previous prime is 212140044971. The next prime is 212140045049. The reversal of 212140045025 is 520540041212.

It is not a de Polignac number, because 212140045025 - 2¹⁶ = 212139979489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212140044985 and 212140045003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 578066 + ... + 870884.

It is an arithmetic number, because the mean of its divisors is an integer number (21921969300).

Almost surely, 2^212140045025 is an apocalyptic number.

212140045025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212140045025 is a deficient number, since it is larger than the sum of its proper divisors (50923586575).

212140045025 is a wasteful number, since it uses less digits than its factorization.

212140045025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321808 (or 321803 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 212140045025 its reverse (520540041212), we get a palindrome (732680086237).

The spelling of 212140045025 in words is "two hundred twelve billion, one hundred forty million, forty-five thousand, twenty-five".