1202021101012 has 6 divisors (see below), whose sum is σ = 2103536926778. Its totient is φ = 601010550504.

The previous prime is 1202021100983. The next prime is 1202021101087. The reversal of 1202021101012 is 2101011202021.

It can be written as a sum of positive squares in only one way, i.e., 648791586576 + 553229514436 = 805476^2 + 743794^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1202021100983 and 1202021101001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150252637623 + ... + 150252637630.

Almost surely, 2^{1202021101012} is an apocalyptic number.

It is an amenable number.

1202021101012 is a deficient number, since it is larger than the sum of its proper divisors (901515825766).

1202021101012 is a wasteful number, since it uses less digits than its factorization.

1202021101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300505275257 (or 300505275255 counting only the distinct ones).

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

Adding to 1202021101012 its reverse (2101011202021), we get a palindrome (3303032303033).

The spelling of 1202021101012 in words is "one trillion, two hundred two billion, twenty-one million, one hundred one thousand, twelve".