1001202012124 has 24 divisors (see below), whose sum is σ = 1758515512208. Its totient is φ = 498771060480.

The previous prime is 1001202012121. The next prime is 1001202012127. The reversal of 1001202012124 is 4212102021001.

It is an interprime number because it is at equal distance from previous prime (1001202012121) and next prime (1001202012127).

It is a super-2 number, since 2×1001202012124² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1001202012098 and 1001202012107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001202012121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1703059 + ... + 2214229.

Almost surely, 2^{1001202012124} is an apocalyptic number.

It is an amenable number.

1001202012124 is a deficient number, since it is larger than the sum of its proper divisors (757313500084).

1001202012124 is a wasteful number, since it uses less digits than its factorization.

1001202012124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512965 (or 512963 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1001202012124 its reverse (4212102021001), we get a palindrome (5213304033125).

The spelling of 1001202012124 in words is "one trillion, one billion, two hundred two million, twelve thousand, one hundred twenty-four".