350012153021 has 4 divisors (see below), whose sum is σ = 358549034844. Its totient is φ = 341475271200.

The previous prime is 350012152993. The next prime is 350012153033. The reversal of 350012153021 is 120351210053.

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: 120351210053 = 3697 ⋅32553749.

It can be written as a sum of positive squares in 2 ways, for example, as 101997196900 + 248014956121 = 319370^2 + 498011^2 .

It is a cyclic number.

It is not a de Polignac number, because 350012153021 - 2²² = 350007958717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350012153041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4268440850 + ... + 4268440931.

It is an arithmetic number, because the mean of its divisors is an integer number (89637258711).

Almost surely, 2^350012153021 is an apocalyptic number.

It is an amenable number.

350012153021 is a deficient number, since it is larger than the sum of its proper divisors (8536881823).

350012153021 is an equidigital number, since it uses as much as digits as its factorization.

350012153021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8536881822.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 350012153021 its reverse (120351210053), we get a palindrome (470363363074).

The spelling of 350012153021 in words is "three hundred fifty billion, twelve million, one hundred fifty-three thousand, twenty-one".