10123111020000 has 480 divisors, whose sum is σ = 36255925689984. Its totient is φ = 2451961600000.

The previous prime is 10123111019947. The next prime is 10123111020013. The reversal of 10123111020000 is 2011132101.

It is a tau number, because it is divible by the number of its divisors (480).

It is a super-3 number, since 3×10123111020000³ (a number of 40 digits) contains 333 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 79 ways as a sum of consecutive naturals, for example, 842813995 + ... + 842826005.

Almost surely, 2^{10123111020000} is an apocalyptic number.

10123111020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10123111020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18127962844992).

10123111020000 is an abundant number, since it is smaller than the sum of its proper divisors (26132814669984).

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

10123111020000 is a wasteful number, since it uses less digits than its factorization.

10123111020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13332 (or 13309 counting only the distinct ones).

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

Adding to 10123111020000 its reverse (2011132101), we get a palindrome (10125122152101).

The spelling of 10123111020000 in words is "ten trillion, one hundred twenty-three billion, one hundred eleven million, twenty thousand".