201501051223210 has 32 divisors (see below), whose sum is σ = 384084988959312. Its totient is φ = 75849798773760.

The previous prime is 201501051223207. The next prime is 201501051223217. The reversal of 201501051223210 is 12322150105102.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 110348070799561 + 91152980423649 = 10504669^2 + 9547407^2 .

It is not an unprimeable number, because it can be changed into a prime (201501051223217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72224701 + ... + 74962720.

Almost surely, 2^{201501051223210} is an apocalyptic number.

201501051223210 is a deficient number, since it is larger than the sum of its proper divisors (182583937736102).

201501051223210 is a wasteful number, since it uses less digits than its factorization.

201501051223210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147195498.

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 201501051223210 in words is "two hundred one trillion, five hundred one billion, fifty-one million, two hundred twenty-three thousand, two hundred ten".