1202021012023 has 32 divisors (see below), whose sum is σ = 1343248885440. Its totient is φ = 1074797493120.

The previous prime is 1202021012021. The next prime is 1202021012047. The reversal of 1202021012023 is 3202101202021.

It is a happy number.

It is not a de Polignac number, because 1202021012023 - 2¹ = 1202021012021 is a prime.

It is a super-2 number, since 2×1202021012023² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202021011988 and 1202021012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202021012021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18420033 + ... + 18485173.

It is an arithmetic number, because the mean of its divisors is an integer number (41976527670).

Almost surely, 2^{1202021012023} is an apocalyptic number.

1202021012023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1202021012023 is a deficient number, since it is larger than the sum of its proper divisors (141227873417).

1202021012023 is an equidigital number, since it uses as much as digits as its factorization.

1202021012023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65444 (or 65418 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1202021012023 its reverse (3202101202021), we get a palindrome (4404122214044).

The spelling of 1202021012023 in words is "one trillion, two hundred two billion, twenty-one million, twelve thousand, twenty-three".