212510326442 has 32 divisors (see below), whose sum is σ = 323379957312. Its totient is φ = 104729376384.

The previous prime is 212510326433. The next prime is 212510326447. The reversal of 212510326442 is 244623015212.

It is a junction number, because it is equal to n+sod(n) for n = 212510326399 and 212510326408.

It is not an unprimeable number, because it can be changed into a prime (212510326447) 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, 66678773 + ... + 66681959.

It is an arithmetic number, because the mean of its divisors is an integer number (10105623666).

Almost surely, 2^212510326442 is an apocalyptic number.

212510326442 is a deficient number, since it is larger than the sum of its proper divisors (110869630870).

212510326442 is a wasteful number, since it uses less digits than its factorization.

212510326442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4982.

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

The spelling of 212510326442 in words is "two hundred twelve billion, five hundred ten million, three hundred twenty-six thousand, four hundred forty-two".