1202021200005 has 64 divisors (see below), whose sum is σ = 1945713299712. Its totient is φ = 633640734720.

The previous prime is 1202021200001. The next prime is 1202021200019. The reversal of 1202021200005 is 5000021202021.

It is not a de Polignac number, because 1202021200005 - 2² = 1202021200001 is a prime.

It is a super-2 number, since 2×1202021200005² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202021200001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 332691579 + ... + 332695191.

It is an arithmetic number, because the mean of its divisors is an integer number (30401770308).

Almost surely, 2^{1202021200005} is an apocalyptic number.

1202021200005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1202021200005 is a deficient number, since it is larger than the sum of its proper divisors (743692099707).

1202021200005 is a wasteful number, since it uses less digits than its factorization.

1202021200005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4518.

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 1202021200005 its reverse (5000021202021), we get a palindrome (6202042402026).

The spelling of 1202021200005 in words is "one trillion, two hundred two billion, twenty-one million, two hundred thousand, five".