120100012001205 has 16 divisors (see below), whose sum is σ = 192191027906304. Its totient is φ = 64043003499200.

The previous prime is 120100012001201. The next prime is 120100012001303. The reversal of 120100012001205 is 502100210001021.

It is not a de Polignac number, because 120100012001205 - 2² = 120100012001201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100012001201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645918621 + ... + 646104530.

It is an arithmetic number, because the mean of its divisors is an integer number (12011939244144).

Almost surely, 2^{120100012001205} is an apocalyptic number.

120100012001205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120100012001205 is a deficient number, since it is larger than the sum of its proper divisors (72091015905099).

120100012001205 is a wasteful number, since it uses less digits than its factorization.

120100012001205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292029356.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 120100012001205 its reverse (502100210001021), we get a palindrome (622200222002226).

The spelling of 120100012001205 in words is "one hundred twenty trillion, one hundred billion, twelve million, one thousand, two hundred five".