20121333100230 has 32 divisors (see below), whose sum is σ = 48292106284800. Its totient is φ = 5365588066272.

The previous prime is 20121333100217. The next prime is 20121333100301. The reversal of 20121333100230 is 3200133312102.

It is a super-2 number, since 2×20121333100230² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20121333100197 and 20121333100206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4666420 + ... + 7875159.

It is an arithmetic number, because the mean of its divisors is an integer number (1509128321400).

Almost surely, 2^{20121333100230} is an apocalyptic number.

20121333100230 is an abundant number, since it is smaller than the sum of its proper divisors (28170773184570).

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

20121333100230 is a wasteful number, since it uses less digits than its factorization.

20121333100230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12595068.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20121333100230 its reverse (3200133312102), we get a palindrome (23321466412332).

The spelling of 20121333100230 in words is "twenty trillion, one hundred twenty-one billion, three hundred thirty-three million, one hundred thousand, two hundred thirty".