10121432140 has 48 divisors (see below), whose sum is σ = 22294000512. Its totient is φ = 3855326976.

The previous prime is 10121432131. The next prime is 10121432143. The reversal of 10121432140 is 4123412101.

It is not an unprimeable number, because it can be changed into a prime (10121432143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110727 + ... + 180286.

It is an arithmetic number, because the mean of its divisors is an integer number (464458344).

Almost surely, 2^10121432140 is an apocalyptic number.

10121432140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121432140 is an abundant number, since it is smaller than the sum of its proper divisors (12172568372).

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

10121432140 is a wasteful number, since it uses less digits than its factorization.

10121432140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291106 (or 291104 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10121432140 its reverse (4123412101), we get a palindrome (14244844241).

The spelling of 10121432140 in words is "ten billion, one hundred twenty-one million, four hundred thirty-two thousand, one hundred forty".