1202120022002 has 4 divisors (see below), whose sum is σ = 1803180033006. Its totient is φ = 601060011000.

The previous prime is 1202120021987. The next prime is 1202120022013. The reversal of 1202120022002 is 2002200212021.

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., 665433379081 + 536686642921 = 815741^2 + 732589^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300530005499 + ... + 300530005502.

Almost surely, 2^{1202120022002} is an apocalyptic number.

1202120022002 is a deficient number, since it is larger than the sum of its proper divisors (601060011004).

1202120022002 is an equidigital number, since it uses as much as digits as its factorization.

1202120022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601060011003.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1202120022002 its reverse (2002200212021), we get a palindrome (3204320234023).

It can be divided in two parts, 12021 and 20022002, that multiplied together give a palindrome (240684486042).

The spelling of 1202120022002 in words is "one trillion, two hundred two billion, one hundred twenty million, twenty-two thousand, two".