12121110201000 has 128 divisors (see below), whose sum is σ = 38839968610560. Its totient is φ = 3144936672000.

The previous prime is 12121110200957. The next prime is 12121110201049. The reversal of 12121110201000 is 10201112121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54488596 + ... + 54710595.

It is an arithmetic number, because the mean of its divisors is an integer number (303437254770).

Almost surely, 2^{12121110201000} is an apocalyptic number.

12121110201000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12121110201000 is an abundant number, since it is smaller than the sum of its proper divisors (26718858409560).

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

12121110201000 is a wasteful number, since it uses less digits than its factorization.

12121110201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109199252 (or 109199238 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12121110201000 its reverse (10201112121), we get a palindrome (12131311313121).

The spelling of 12121110201000 in words is "twelve trillion, one hundred twenty-one billion, one hundred ten million, two hundred one thousand".