20012012121302 has 32 divisors (see below), whose sum is σ = 33479737620480. Its totient is φ = 8915597804160.

The previous prime is 20012012121287. The next prime is 20012012121323. The reversal of 20012012121302 is 20312121021002.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9769574 + ... + 11639097.

It is an arithmetic number, because the mean of its divisors is an integer number (1046241800640).

Almost surely, 2^{20012012121302} is an apocalyptic number.

20012012121302 is a deficient number, since it is larger than the sum of its proper divisors (13467725499178).

20012012121302 is a wasteful number, since it uses less digits than its factorization.

20012012121302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21410156.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20012012121302 its reverse (20312121021002), we get a palindrome (40324133142304).

The spelling of 20012012121302 in words is "twenty trillion, twelve billion, twelve million, one hundred twenty-one thousand, three hundred two".