121012011200001 has 8 divisors (see below), whose sum is σ = 161350806891744. Its totient is φ = 80673944820800.

The previous prime is 121012011199943. The next prime is 121012011200011. The reversal of 121012011200001 is 100002110210121.

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

It is a cyclic number.

It is not a de Polignac number, because 121012011200001 - 2¹³ = 121012011191809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121012011200001.

It is not an unprimeable number, because it can be changed into a prime (121012011200011) 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, 181940856 + ... + 182604761.

It is an arithmetic number, because the mean of its divisors is an integer number (20168850861468).

Almost surely, 2^{121012011200001} is an apocalyptic number.

It is an amenable number.

121012011200001 is a deficient number, since it is larger than the sum of its proper divisors (40338795691743).

121012011200001 is a wasteful number, since it uses less digits than its factorization.

121012011200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364656271.

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

Adding to 121012011200001 its reverse (100002110210121), we get a palindrome (221014121410122).

The spelling of 121012011200001 in words is "one hundred twenty-one trillion, twelve billion, eleven million, two hundred thousand, one".