20120033100000 has 144 divisors (see below), whose sum is σ = 66014634386736. Its totient is φ = 5365342080000.

The previous prime is 20120033099963. The next prime is 20120033100047. The reversal of 20120033100000 is 133002102.

It is a happy number.

It is a super-2 number, since 2×20120033100000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33233389 + ... + 33833388.

It is an arithmetic number, because the mean of its divisors is an integer number (458434961019).

Almost surely, 2^{20120033100000} is an apocalyptic number.

20120033100000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20120033100000 is an abundant number, since it is smaller than the sum of its proper divisors (45894601286736).

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

20120033100000 is an frugal number, since it uses more digits than its factorization.

20120033100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67066815 (or 67066787 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20120033100000 its reverse (133002102), we get a palindrome (20120166102102).

It can be divided in two parts, 2012003 and 3100000, that added together give a triangular number (5112003 = T₃₁₉₇).

The spelling of 20120033100000 in words is "twenty trillion, one hundred twenty billion, thirty-three million, one hundred thousand".