1200102321037 has 2 divisors, whose sum is σ = 1200102321038. Its totient is φ = 1200102321036.

The previous prime is 1200102320999. The next prime is 1200102321071. The reversal of 1200102321037 is 7301232010021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1103111184681 + 96991136356 = 1050291^2 + 311434^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200102321037 - 2¹⁹ = 1200101796749 is a prime.

It is a super-2 number, since 2×1200102321037² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200102320999 and 1200102321017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200102321437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600051160518 + 600051160519.

It is an arithmetic number, because the mean of its divisors is an integer number (600051160519).

Almost surely, 2^{1200102321037} is an apocalyptic number.

It is an amenable number.

1200102321037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200102321037 is an equidigital number, since it uses as much as digits as its factorization.

1200102321037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 1200102321037 its reverse (7301232010021), we get a palindrome (8501334331058).

The spelling of 1200102321037 in words is "one trillion, two hundred billion, one hundred two million, three hundred twenty-one thousand, thirty-seven".