1302212002121 has 16 divisors (see below), whose sum is σ = 1348288761600. Its totient is φ = 1256904609408.

The previous prime is 1302212002111. The next prime is 1302212002127. The reversal of 1302212002121 is 1212002122031.

It is not a de Polignac number, because 1302212002121 - 2⁶ = 1302212002057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1302212002121.

It is not an unprimeable number, because it can be changed into a prime (1302212002127) 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, 43006175 + ... + 43036443.

It is an arithmetic number, because the mean of its divisors is an integer number (84268047600).

Almost surely, 2^{1302212002121} is an apocalyptic number.

It is an amenable number.

1302212002121 is a deficient number, since it is larger than the sum of its proper divisors (46076759479).

1302212002121 is a wasteful number, since it uses less digits than its factorization.

1302212002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42928.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1302212002121 its reverse (1212002122031), we get a palindrome (2514214124152).

The spelling of 1302212002121 in words is "one trillion, three hundred two billion, two hundred twelve million, two thousand, one hundred twenty-one".