12120221111002 has 8 divisors (see below), whose sum is σ = 18274530276756. Its totient is φ = 6028711018752.

The previous prime is 12120221110979. The next prime is 12120221111023. The reversal of 12120221111002 is 20011112202121.

It can be written as a sum of positive squares in 2 ways, for example, as 12097047442561 + 23173668441 = 3478081^2 + 152229^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15699767893 + ... + 15699768664.

Almost surely, 2^{12120221111002} is an apocalyptic number.

12120221111002 is a deficient number, since it is larger than the sum of its proper divisors (6154309165754).

12120221111002 is a wasteful number, since it uses less digits than its factorization.

12120221111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31399536752.

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

Adding to 12120221111002 its reverse (20011112202121), we get a palindrome (32131333313123).

The spelling of 12120221111002 in words is "twelve trillion, one hundred twenty billion, two hundred twenty-one million, one hundred eleven thousand, two".