212431264148 has 12 divisors (see below), whose sum is σ = 371760148032. Its totient is φ = 106214079000.

The previous prime is 212431264147. The next prime is 212431264247. The reversal of 212431264148 is 841462134212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212431264147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47228 + ... + 653523.

It is an arithmetic number, because the mean of its divisors is an integer number (30980012336).

Almost surely, 2^212431264148 is an apocalyptic number.

It is an amenable number.

212431264148 is a deficient number, since it is larger than the sum of its proper divisors (159328883884).

212431264148 is a wasteful number, since it uses less digits than its factorization.

212431264148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776542 (or 776540 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The spelling of 212431264148 in words is "two hundred twelve billion, four hundred thirty-one million, two hundred sixty-four thousand, one hundred forty-eight".