120001110001210 has 48 divisors (see below), whose sum is σ = 227873286998280. Its totient is φ = 45492243477120.

The previous prime is 120001110001177. The next prime is 120001110001231. The reversal of 120001110001210 is 12100011100021.

It can be written as a sum of positive squares in 4 ways, for example, as 69008957108569 + 50992152892641 = 8307163^2 + 7140879^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 103480821 + ... + 104634040.

Almost surely, 2^{120001110001210} is an apocalyptic number.

120001110001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120001110001210 is a deficient number, since it is larger than the sum of its proper divisors (107872176997070).

120001110001210 is a wasteful number, since it uses less digits than its factorization.

120001110001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208115023 (or 208115000 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 120001110001210 its reverse (12100011100021), we get a palindrome (132101121101231).

The spelling of 120001110001210 in words is "one hundred twenty trillion, one billion, one hundred ten million, one thousand, two hundred ten".