1023212132 has 12 divisors (see below), whose sum is σ = 1868474496. Its totient is φ = 489362280.

The previous prime is 1023212129. The next prime is 1023212143. The reversal of 1023212132 is 2312123201.

It is a self number, because there is not a number n which added to its sum of digits gives 1023212132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5560844 + ... + 5561027.

It is an arithmetic number, because the mean of its divisors is an integer number (155706208).

Almost surely, 2^1023212132 is an apocalyptic number.

It is an amenable number.

1023212132 is a deficient number, since it is larger than the sum of its proper divisors (845262364).

1023212132 is a wasteful number, since it uses less digits than its factorization.

1023212132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11121898 (or 11121896 counting only the distinct ones).

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

The square root of 1023212132 is about 31987.6871936688. The cubic root of 1023212132 is about 1007.6782706009.

Adding to 1023212132 its reverse (2312123201), we get a palindrome (3335335333).

The spelling of 1023212132 in words is "one billion, twenty-three million, two hundred twelve thousand, one hundred thirty-two".