121401212002 has 32 divisors (see below), whose sum is σ = 208715577984. Its totient is φ = 51879484800.

The previous prime is 121401211907. The next prime is 121401212047. The reversal of 121401212002 is 200212104121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8183752 + ... + 8198572.

It is an arithmetic number, because the mean of its divisors is an integer number (6522361812).

Almost surely, 2^121401212002 is an apocalyptic number.

121401212002 is a deficient number, since it is larger than the sum of its proper divisors (87314365982).

121401212002 is a wasteful number, since it uses less digits than its factorization.

121401212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16474.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121401212002 its reverse (200212104121), we get a palindrome (321613316123).

The spelling of 121401212002 in words is "one hundred twenty-one billion, four hundred one million, two hundred twelve thousand, two".