20121402410100 has 144 divisors (see below), whose sum is σ = 66773246794240. Its totient is φ = 5192619955200.

The previous prime is 20121402410089. The next prime is 20121402410113. The reversal of 20121402410100 is 101420412102.

20121402410100 is a `hidden beast` number, since 2 + 0 + 12 + 140 + 2 + 410 + 100 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 120115837 + ... + 120283236.

Almost surely, 2^{20121402410100} is an apocalyptic number.

20121402410100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20121402410100 is an abundant number, since it is smaller than the sum of its proper divisors (46651844384140).

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

20121402410100 is a wasteful number, since it uses less digits than its factorization.

20121402410100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240399127 (or 240399114 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20121402410100 its reverse (101420412102), we get a palindrome (20222822822202).

The spelling of 20121402410100 in words is "twenty trillion, one hundred twenty-one billion, four hundred two million, four hundred ten thousand, one hundred".