212415535412 has 24 divisors (see below), whose sum is σ = 378169128960. Its totient is φ = 104370420960.

The previous prime is 212415535393. The next prime is 212415535421. The reversal of 212415535412 is 214535514212.

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, 135212 + ... + 665667.

It is an arithmetic number, because the mean of its divisors is an integer number (15757047040).

Almost surely, 2^212415535412 is an apocalyptic number.

It is an amenable number.

212415535412 is a deficient number, since it is larger than the sum of its proper divisors (165753593548).

212415535412 is a wasteful number, since it uses less digits than its factorization.

212415535412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802031 (or 802029 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

The spelling of 212415535412 in words is "two hundred twelve billion, four hundred fifteen million, five hundred thirty-five thousand, four hundred twelve".