1201000121007 has 8 divisors (see below), whose sum is σ = 1617188282160. Its totient is φ = 792739353600.

The previous prime is 1201000120987. The next prime is 1201000121021. The reversal of 1201000121007 is 7001210001021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1201000121007 - 2¹⁶ = 1201000055471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201000121407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1981848082 + ... + 1981848687.

It is an arithmetic number, because the mean of its divisors is an integer number (202148535270).

Almost surely, 2^{1201000121007} is an apocalyptic number.

1201000121007 is a deficient number, since it is larger than the sum of its proper divisors (416188161153).

1201000121007 is a wasteful number, since it uses less digits than its factorization.

1201000121007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963696873.

The product of its (nonzero) digits is 28, while the sum is 15.

Adding to 1201000121007 its reverse (7001210001021), we get a palindrome (8202210122028).

The spelling of 1201000121007 in words is "one trillion, two hundred one billion, one hundred twenty-one thousand, seven".