1220433150025 has 36 divisors (see below), whose sum is σ = 1568901205300. Its totient is φ = 941728757760.

The previous prime is 1220433150023. The next prime is 1220433150029. The reversal of 1220433150025 is 5200513340221.

It can be written as a sum of positive squares in 18 ways, for example, as 641210171536 + 579222978489 = 800756^2 + 761067^2 .

It is not a de Polignac number, because 1220433150025 - 2¹ = 1220433150023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220433149975 and 1220433150002.

It is not an unprimeable number, because it can be changed into a prime (1220433150023) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21185461 + ... + 21242989.

Almost surely, 2^{1220433150025} is an apocalyptic number.

It is an amenable number.

1220433150025 is a deficient number, since it is larger than the sum of its proper divisors (348468055275).

1220433150025 is a wasteful number, since it uses less digits than its factorization.

1220433150025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58606 (or 58572 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 1220433150025 its reverse (5200513340221), we get a palindrome (6420946490246).

The spelling of 1220433150025 in words is "one trillion, two hundred twenty billion, four hundred thirty-three million, one hundred fifty thousand, twenty-five".