10120001221203 has 32 divisors (see below), whose sum is σ = 14020953140736. Its totient is φ = 6487481000448.

The previous prime is 10120001221201. The next prime is 10120001221241. The reversal of 10120001221203 is 30212210002101.

It is not a de Polignac number, because 10120001221203 - 2¹ = 10120001221201 is a prime.

It is a super-2 number, since 2×10120001221203² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10120001221201) 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 31 ways as a sum of consecutive naturals, for example, 3189850 + ... + 5514992.

It is an arithmetic number, because the mean of its divisors is an integer number (438154785648).

Almost surely, 2^{10120001221203} is an apocalyptic number.

10120001221203 is a deficient number, since it is larger than the sum of its proper divisors (3900951919533).

10120001221203 is a wasteful number, since it uses less digits than its factorization.

10120001221203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325643.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10120001221203 its reverse (30212210002101), we get a palindrome (40332211223304).

The spelling of 10120001221203 in words is "ten trillion, one hundred twenty billion, one million, two hundred twenty-one thousand, two hundred three".