12020001102002 has 4 divisors (see below), whose sum is σ = 18030001653006. Its totient is φ = 6010000551000.

The previous prime is 12020001101971. The next prime is 12020001102037. The reversal of 12020001102002 is 20020110002021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7965540984241 + 4054460117761 = 2822329^2 + 2013569^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005000275499 + ... + 3005000275502.

Almost surely, 2^{12020001102002} is an apocalyptic number.

12020001102002 is a deficient number, since it is larger than the sum of its proper divisors (6010000551004).

12020001102002 is an equidigital number, since it uses as much as digits as its factorization.

12020001102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010000551003.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12020001102002 its reverse (20020110002021), we get a palindrome (32040111104023).

The spelling of 12020001102002 in words is "twelve trillion, twenty billion, one million, one hundred two thousand, two".