1023200012015 has 16 divisors (see below), whose sum is σ = 1291707799200. Its totient is φ = 776938307712.

The previous prime is 1023200011993. The next prime is 1023200012041. The reversal of 1023200012015 is 5102100023201.

It is a happy number.

It is not a de Polignac number, because 1023200012015 - 2¹⁰ = 1023200010991 is a prime.

It is a super-2 number, since 2×1023200012015² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1023200011984 and 1023200012002.

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, 59792732 + ... + 59809841.

It is an arithmetic number, because the mean of its divisors is an integer number (80731737450).

Almost surely, 2^{1023200012015} is an apocalyptic number.

1023200012015 is a deficient number, since it is larger than the sum of its proper divisors (268507787185).

1023200012015 is a wasteful number, since it uses less digits than its factorization.

1023200012015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119602666.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 1023200012015 its reverse (5102100023201), we get a palindrome (6125300035216).

The spelling of 1023200012015 in words is "one trillion, twenty-three billion, two hundred million, twelve thousand, fifteen".