1203011131005 has 32 divisors (see below), whose sum is σ = 2170607164800. Its totient is φ = 632029723776.

The previous prime is 1203011131001. The next prime is 1203011131039. The reversal of 1203011131005 is 5001311103021.

It is not a de Polignac number, because 1203011131005 - 2² = 1203011131001 is a prime.

It is a super-5 number, since 5×1203011131005⁵ (a number of 62 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203011131001) 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, 66492400 + ... + 66510489.

It is an arithmetic number, because the mean of its divisors is an integer number (67831473900).

Almost surely, 2^{1203011131005} is an apocalyptic number.

1203011131005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1203011131005 is a deficient number, since it is larger than the sum of its proper divisors (967596033795).

1203011131005 is a wasteful number, since it uses less digits than its factorization.

1203011131005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133002970 (or 133002964 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

Adding to 1203011131005 its reverse (5001311103021), we get a palindrome (6204322234026).

The spelling of 1203011131005 in words is "one trillion, two hundred three billion, eleven million, one hundred thirty-one thousand, five".