1012152203 has 4 divisors (see below), whose sum is σ = 1015155960. Its totient is φ = 1009148448.

The previous prime is 1012152179. The next prime is 1012152277. The reversal of 1012152203 is 3022512101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3022512101 = 7 ⋅431787443.

It is a cyclic number.

It is not a de Polignac number, because 1012152203 - 2⁸ = 1012151947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012152703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501373 + ... + 1502046.

It is an arithmetic number, because the mean of its divisors is an integer number (253788990).

Almost surely, 2^1012152203 is an apocalyptic number.

1012152203 is a deficient number, since it is larger than the sum of its proper divisors (3003757).

1012152203 is an equidigital number, since it uses as much as digits as its factorization.

1012152203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003756.

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

The square root of 1012152203 is about 31814.3395813900. The cubic root of 1012152203 is about 1004.0344357723.

Adding to 1012152203 its reverse (3022512101), we get a palindrome (4034664304).

It can be divided in two parts, 1012152 and 203, that multiplied together give a triangular number (205466856 = T₂₀₂₇₁).

The spelling of 1012152203 in words is "one billion, twelve million, one hundred fifty-two thousand, two hundred three".