2120002136002 has 8 divisors (see below), whose sum is σ = 3203214906636. Its totient is φ = 1052263833792.

The previous prime is 2120002135981. The next prime is 2120002136009. The reversal of 2120002136002 is 2006312000212.

It can be written as a sum of positive squares in 2 ways, for example, as 2101801158081 + 18200977921 = 1449759^2 + 134911^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2120002136009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3868616763 + ... + 3868617310.

Almost surely, 2^{2120002136002} is an apocalyptic number.

2120002136002 is a deficient number, since it is larger than the sum of its proper divisors (1083212770634).

2120002136002 is a wasteful number, since it uses less digits than its factorization.

2120002136002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7737234212.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2120002136002 its reverse (2006312000212), we get a palindrome (4126314136214).

It can be divided in two parts, 2120002 and 136002, that added together give a square (2256004 = 1502²).

The spelling of 2120002136002 in words is "two trillion, one hundred twenty billion, two million, one hundred thirty-six thousand, two".