2145212502330 has 64 divisors (see below), whose sum is σ = 5186607914880. Its totient is φ = 567825248256.

The previous prime is 2145212502319. The next prime is 2145212502337. The reversal of 2145212502330 is 332052125412.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2145212502337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21438094 + ... + 21537926.

It is an arithmetic number, because the mean of its divisors is an integer number (81040748670).

Almost surely, 2^{2145212502330} is an apocalyptic number.

2145212502330 is an abundant number, since it is smaller than the sum of its proper divisors (3041395412550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2145212502330 is a wasteful number, since it uses less digits than its factorization.

2145212502330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105135.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 2145212502330 its reverse (332052125412), we get a palindrome (2477264627742).

The spelling of 2145212502330 in words is "two trillion, one hundred forty-five billion, two hundred twelve million, five hundred two thousand, three hundred thirty".