120212120211001 has 16 divisors (see below), whose sum is σ = 147979413737344. Its totient is φ = 95096149524864.

The previous prime is 120212120210999. The next prime is 120212120211013. The reversal of 120212120211001 is 100112021212021.

It is a cyclic number.

It is not a de Polignac number, because 120212120211001 - 2¹ = 120212120210999 is a prime.

It is a super-2 number, since 2×120212120211001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120212120211101) 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, 115707756 + ... + 116742061.

It is an arithmetic number, because the mean of its divisors is an integer number (9248713358584).

Almost surely, 2^{120212120211001} is an apocalyptic number.

It is an amenable number.

120212120211001 is a deficient number, since it is larger than the sum of its proper divisors (27767293526343).

120212120211001 is a wasteful number, since it uses less digits than its factorization.

120212120211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232455520.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120212120211001 its reverse (100112021212021), we get a palindrome (220324141423022).

It can be divided in two parts, 12021212021 and 1001, that multiplied together give a palindrome (12033233233021).

The spelling of 120212120211001 in words is "one hundred twenty trillion, two hundred twelve billion, one hundred twenty million, two hundred eleven thousand, one".