1021023200312 has 8 divisors (see below), whose sum is σ = 1914418500600. Its totient is φ = 510511600152.

The previous prime is 1021023200251. The next prime is 1021023200321. The reversal of 1021023200312 is 2130023201201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63813950012 + ... + 63813950027.

It is an arithmetic number, because the mean of its divisors is an integer number (239302312575).

Almost surely, 2^{1021023200312} is an apocalyptic number.

It is an amenable number.

1021023200312 is a deficient number, since it is larger than the sum of its proper divisors (893395300288).

1021023200312 is a wasteful number, since it uses less digits than its factorization.

1021023200312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127627900045 (or 127627900041 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1021023200312 its reverse (2130023201201), we get a palindrome (3151046401513).

The spelling of 1021023200312 in words is "one trillion, twenty-one billion, twenty-three million, two hundred thousand, three hundred twelve".