10212141545 has 4 divisors (see below), whose sum is σ = 12254569860. Its totient is φ = 8169713232.

The previous prime is 10212141521. The next prime is 10212141557. The reversal of 10212141545 is 54514121201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1418953561 + 8793187984 = 37669^2 + 93772^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212141545 - 2⁶ = 10212141481 is a prime.

It is a super-2 number, since 2×10212141545² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021214150 + ... + 1021214159.

It is an arithmetic number, because the mean of its divisors is an integer number (3063642465).

Almost surely, 2^10212141545 is an apocalyptic number.

It is an amenable number.

10212141545 is a deficient number, since it is larger than the sum of its proper divisors (2042428315).

10212141545 is an equidigital number, since it uses as much as digits as its factorization.

10212141545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042428314.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 10212141545 its reverse (54514121201), we get a palindrome (64726262746).

The spelling of 10212141545 in words is "ten billion, two hundred twelve million, one hundred forty-one thousand, five hundred forty-five".