1202211001012 has 18 divisors (see below), whose sum is σ = 2447358109602. Its totient is φ = 515233286064.

The previous prime is 1202211001007. The next prime is 1202211001031. The reversal of 1202211001012 is 2101001122021.

It can be written as a sum of positive squares in only one way, i.e., 1171581100816 + 30629900196 = 1082396^2 + 175014^2 .

It is a super-2 number, since 2×1202211001012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1202211000983 and 1202211001001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3066864603 + ... + 3066864994.

Almost surely, 2^{1202211001012} is an apocalyptic number.

It is an amenable number.

1202211001012 is an abundant number, since it is smaller than the sum of its proper divisors (1245147108590).

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

1202211001012 is a wasteful number, since it uses less digits than its factorization.

1202211001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6133729615 (or 6133729606 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1202211001012 its reverse (2101001122021), we get a palindrome (3303212123033).

The spelling of 1202211001012 in words is "one trillion, two hundred two billion, two hundred eleven million, one thousand, twelve".