1213002121002 has 64 divisors (see below), whose sum is σ = 2832039383040. Its totient is φ = 339141606336.

The previous prime is 1213002120983. The next prime is 1213002121021. The reversal of 1213002121002 is 2001212003121.

It is an interprime number because it is at equal distance from previous prime (1213002120983) and next prime (1213002121021).

It is an unprimeable number.

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, 12579649 + ... + 12675707.

It is an arithmetic number, because the mean of its divisors is an integer number (44250615360).

Almost surely, 2^{1213002121002} is an apocalyptic number.

1213002121002 is an abundant number, since it is smaller than the sum of its proper divisors (1619037262038).

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

1213002121002 is a wasteful number, since it uses less digits than its factorization.

1213002121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102515.

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

Adding to 1213002121002 its reverse (2001212003121), we get a palindrome (3214214124123).

The spelling of 1213002121002 in words is "one trillion, two hundred thirteen billion, two million, one hundred twenty-one thousand, two".