212461203452 has 24 divisors (see below), whose sum is σ = 382231084032. Its totient is φ = 103270764800.

The previous prime is 212461203431. The next prime is 212461203481. The reversal of 212461203452 is 254302164212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2259068 + ... + 2351235.

It is an arithmetic number, because the mean of its divisors is an integer number (15926295168).

Almost surely, 2^212461203452 is an apocalyptic number.

It is an amenable number.

212461203452 is a deficient number, since it is larger than the sum of its proper divisors (169769880580).

212461203452 is a wasteful number, since it uses less digits than its factorization.

212461203452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4610629 (or 4610627 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 212461203452 its reverse (254302164212), we get a palindrome (466763367664).

The spelling of 212461203452 in words is "two hundred twelve billion, four hundred sixty-one million, two hundred three thousand, four hundred fifty-two".