10203621123432 has 64 divisors (see below), whose sum is σ = 27833196787200. Its totient is φ = 3091435381440.

The previous prime is 10203621123419. The next prime is 10203621123439. The reversal of 10203621123432 is 23432112630201.

It is a super-2 number, since 2×10203621123432² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10203621123432.

It is not an unprimeable number, because it can be changed into a prime (10203621123439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2135548 + ... + 4996779.

It is an arithmetic number, because the mean of its divisors is an integer number (434893699800).

Almost surely, 2^{10203621123432} is an apocalyptic number.

10203621123432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10203621123432 is an abundant number, since it is smaller than the sum of its proper divisors (17629575663768).

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

10203621123432 is a wasteful number, since it uses less digits than its factorization.

10203621123432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7137766 (or 7137762 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 10203621123432 its reverse (23432112630201), we get a palindrome (33635733753633).

The spelling of 10203621123432 in words is "ten trillion, two hundred three billion, six hundred twenty-one million, one hundred twenty-three thousand, four hundred thirty-two".