1211020212002 has 8 divisors (see below), whose sum is σ = 1817390016876. Its totient is φ = 605223539712.

The previous prime is 1211020211993. The next prime is 1211020212011. The reversal of 1211020212002 is 2002120201121.

It is an interprime number because it is at equal distance from previous prime (1211020211993) and next prime (1211020212011).

It can be written as a sum of positive squares in 2 ways, for example, as 780252455761 + 430767756241 = 883319^2 + 656329^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 143277863 + ... + 143286314.

Almost surely, 2^{1211020212002} is an apocalyptic number.

1211020212002 is a deficient number, since it is larger than the sum of its proper divisors (606369804874).

1211020212002 is a wasteful number, since it uses less digits than its factorization.

1211020212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286566292.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1211020212002 its reverse (2002120201121), we get a palindrome (3213140413123).

The spelling of 1211020212002 in words is "one trillion, two hundred eleven billion, twenty million, two hundred twelve thousand, two".