10123212132 has 36 divisors (see below), whose sum is σ = 27915525456. Its totient is φ = 3067639920.

The previous prime is 10123212131. The next prime is 10123212137. The reversal of 10123212132 is 23121232101.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10123212131) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 12781438 + ... + 12782229.

Almost surely, 2^10123212132 is an apocalyptic number.

10123212132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10123212132 is an abundant number, since it is smaller than the sum of its proper divisors (17792313324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10123212132 is a wasteful number, since it uses less digits than its factorization.

10123212132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25563688 (or 25563683 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10123212132 its reverse (23121232101), we get a palindrome (33244444233).

The spelling of 10123212132 in words is "ten billion, one hundred twenty-three million, two hundred twelve thousand, one hundred thirty-two".